r34 popular

Booru

Order

AI

Type

remove

mettaton

1

2

3

4

1boy 1girls flare_pants forbidden_pants huge_breasts mettaton mrxharlequinn paper_bag question_mark tagme thick_thighs undertale wide_hips

flare_pantsforbidden_pants

1boy balls bulge capcognito male mettaton mettaton_ex panties penis solo_male tagme undertale

1boy2girls 2025 2girls 2girls1boy 5_fingers alligator alligatorid alligatorid_humanoid angstrom anthro anthro_female ass_dough ass_focus ass_grab ass_grope bbw big_ass big_breasts blush blush blushing_female booty_shorts bottomwear bratty_(undertale) breasts catty_(undertale) cleavage clothed clothed_anthro clothed_female clothing crocodilian crocodilian_humanoid crop_top curvy curvy_anthro curvy_female denim denim_bottomwear denim_shorts dialogue dipstick_tail domestic_cat duo ear_piercing english_text eyelashes fangs fat_anthro fat_ass fat_female felid felid_humanoid feline feline_humanoid felis female female_focus fingers freckles groping groping_ass hair hair_over_eye hair_over_one_eye hand_on_ass hands_on_ass hi_res huge_ass huge_breasts jealous jealous_female long_tail looking_back looking_back_at_another mammal mammal_humanoid markings mettaton mettaton_ex midriff monochrome mostly_offscreen_character mostly_offscreen_male onomatopoeia open_mouth open_smile overweight overweight_anthro overweight_female piercing rear_view reptile reptile_humanoid scalie scalie_female scalie_humanoid sexual_harassment sharp_teeth shirt short_hair short_hair_female shorts simple_background sketch smile tail tail_markings talking_to_another teeth text thick_thighs topwear underboob undertale undertale_(series) voluptuous voluptuous_anthro voluptuous_female white_background wide_hips willing willing_female

alligatoralligatorid

1boy black_hair bulge femboy hair_over_one_eye loggus_doggus looking_at_viewer male metallic_body mettaton mettaton_ex narrowed_eyes penis_bulge pink_eyes pink_hair robot smiling smiling_at_viewer standing thick_thighs thong two_tone_hair undertale very_high_resolution

black_hairbulge

2boys alduingijinka assjob big_ass buttjob dio_kinkz fat_ass femboy gay gay_sex huge_ass mettaton mettaton_ex non-human penis_between_ass robot undertale undertale_(series)

alduingijinkaassjob

2d 2girls all_fours alligator alligatorid anthro areola areolae ass big_areola big_butt bludermaus bodily_fluids bratty_(undertale) breast_size_difference breasts catty_(undertale) cellulite clock colored_nails crocodilian detailed_background digital_clock digital_media domestic_cat duo electronics entwined_tails feet felid feline felis female female/female female_only french_kissing full_body furniture glands_of_montgomery half-closed_eyes hand_on_neck heart_symbol holding_leg holding_thigh huge_breasts kissing large_areolae making_out mammal medium_breasts mettaton nails nude obese obese_anthro obese_female overweight overweight_anthro overweight_female paws reptile romantic sagging_breasts saliva scalie size_difference sofa stretch_marks tail tail_coil tail_wrap text thick_thighs undertale undertale_(series) url yellow_eyes yuri

all_foursalligator

blowjob gaster mettaton missionary table_sex

2d 2girls alternate_version_at_source alternate_version_available ass ass_bigger_than_head ass_bigger_than_torso ass_clap ass_clapping ass_cleavage ass_focus ass_press big_ass big_breasts big_butt big_lips big_thighs bimbo bimbo_body bimbo_lips bimbofication bimbofied bimbotale booty_clap booty_shorts breasts breasts_bigger_than_head breasts_bigger_than_torso breasts_squeezed_together butt_crack camera_view chubby chubby_female close-up different_angle edit edited female female/female giant_breasts gigantic_ass gigantic_breasts gigantic_butt gigantic_thighs hips hips_wider_than_shoulders huge_ass huge_breasts huge_butt huge_thighs hyper hyper_ass hyper_breasts hyper_butt jogging large_ass large_breasts large_butt large_thighs lips lipstick lipstick_mark livestream lothkafas machine medium_breasts mettathot_(bimbotale) mettaton mettaton_ex oiled oiled_skin patreon_logo patreon_url people_in_background plump plump_ass plump_breasts plump_butt plump_camel_toe plump_labia plump_lips plump_pussy plump_thighs png robot robot_girl robotic running shiny_skin small_breasts synthetic thighhighs thighs tight_clothing tight_fit transformation undertale undertale_(series) undertale_au undertale_fanfiction url voluptuous voluptuous_female wide_hips yuri zoom_in

alternate_version_at_sourcealternate_version_available

2d alternate_version_at_source alternate_version_available ass ass_bigger_than_head ass_bigger_than_torso ass_clap ass_clapping ass_cleavage ass_focus ass_press big_ass big_breasts big_butt big_lips big_thighs bimbo bimbo_body bimbo_lips bimbofication bimbofied bimbotale booty_clap booty_shorts breasts breasts_bigger_than_head breasts_bigger_than_torso breasts_squeezed_together butt_crack camera_view chubby chubby_female close-up different_angle edit edited female female/female giant_breasts gigantic_ass gigantic_breasts gigantic_butt gigantic_thighs hips hips_wider_than_shoulders huge_ass huge_breasts huge_butt huge_thighs hyper hyper_ass hyper_breasts hyper_butt jogging large_ass large_breasts large_butt large_thighs lips lipstick lipstick_mark livestream lothkafas machine medium_breasts mettathot_(bimbotale) mettaton mettaton_ex oiled oiled_skin patreon_logo patreon_url plump plump_ass plump_breasts plump_butt plump_camel_toe plump_labia plump_lips plump_pussy plump_thighs png robot robot_girl robotic running shiny_skin small_breasts synthetic thighhighs thighs tight_clothing tight_fit transformation undertale undertale_(series) undertale_au undertale_fanfiction url voluptuous voluptuous_female wide_hips zoom_in

alternate_version_at_sourcealternate_version_available

ass_cleavage bending_over bulge_through_clothing butt_crack deltarune femboy flamingsanity futanari grinding hyper hyper_ass hyper_balls hyper_bulge hyper_penis imminent_sex mettaton mettaton_ex pants_down police police_hat police_officer police_uniform policewoman susie_(deltarune) tagme tight_clothing undertale undyne undyne_(deltarune)

ass_cleavagebending_over

ass_cleavage bending_over bulge_through_clothing butt_crack deltarune femboy flamingsanity futanari grinding hyper hyper_ass hyper_balls hyper_bulge hyper_penis mettaton mettaton_ex police police_hat police_officer police_uniform policewoman susie_(deltarune) tagme tight_clothing undertale undyne undyne_(deltarune)

ass_cleavagebending_over

1boy big_penis black_hair erection huge_cock male male_only mettaton mettaton_ex mettaton_neo smile solo undertale

big_penisblack_hair

1girls alternate_body_type alternate_breast_size alternate_costume big_ass big_breasts big_butt breasts breasts_bigger_than_head child_bearing_hips christmas cleavage curvaceous curves curvy curvy_body curvy_female curvy_figure curvy_hips female frisk gigantic_ass gigantic_breasts hips hips_wider_than_shoulders hourglass_figure huge_breasts hyper hyper_breasts maotthat massive_breasts massive_thighs mettaton mistletoe thick_ass thick_thighs thighs toriel undertale undertale_(series) voluptuous voluptuous_female wide_hips

alternate_body_typealternate_breast_size

ai_generated big_ass black_hair blowjob cum gay gay_sex human_male light-skinned_male light_skin male male/male male_only mettaton thick_thighs undertale undertale_(series) voluptuous yaoi

ai_generatedbig_ass

alternate_version_at_source alternate_version_available ass ass_bigger_than_head ass_bigger_than_torso ass_clap ass_clapping ass_cleavage ass_focus ass_press big_ass big_breasts big_butt big_lips big_thighs bimbo bimbo_body bimbo_lips bimbofication bimbofied bimbotale booty_clap booty_shorts breasts breasts_bigger_than_head breasts_bigger_than_torso breasts_squeezed_together butt_crack chubby chubby_female close-up edit edited female female/female giant_breasts gigantic_ass gigantic_breasts gigantic_butt gigantic_thighs hips hips_wider_than_shoulders huge_ass huge_breasts huge_butt huge_thighs hyper hyper_ass hyper_breasts hyper_butt jogging large_ass large_breasts large_butt large_thighs lips lipstick lipstick_mark lothkafas machine medium_breasts mettathot_(bimbotale) mettaton mettaton_ex oiled oiled_skin plump plump_ass plump_breasts plump_butt plump_camel_toe plump_labia plump_lips plump_pussy plump_thighs png robot robot_girl robotic running shiny_skin small_breasts synthetic thighhighs thighs tight_clothing tight_fit undertale undertale_(series) undertale_au undertale_fanfiction voluptuous voluptuous_female wide_hips zoom_in

alternate_version_at_sourcealternate_version_available

alternate_version_at_source alternate_version_available ass ass_bigger_than_head ass_bigger_than_torso ass_clap ass_clapping ass_focus ass_press big_ass big_breasts big_butt big_lips big_thighs bimbo bimbo_body bimbo_lips bimbofication bimbofied bimbotale booty_clap booty_shorts breasts breasts_bigger_than_head breasts_bigger_than_torso breasts_squeezed_together chubby chubby_female close-up edit edited female female/female gigantic_ass gigantic_breasts gigantic_butt gigantic_thighs hips hips_wider_than_shoulders huge_ass huge_breasts huge_butt huge_thighs hyper hyper_ass hyper_breasts hyper_butt jogging large_ass large_breasts large_butt large_thighs lips lipstick lipstick_mark lothkafas machine medium_breasts mettathot_(bimbotale) mettaton mettaton_ex oiled oiled_skin plump plump_ass plump_breasts plump_butt plump_camel_toe plump_labia plump_lips plump_pussy plump_thighs png robot robot_girl robotic running shiny_skin small_breasts synthetic thighhighs thighs tight_clothing tight_fit undertale undertale_(series) undertale_au undertale_fanfiction wide_hips zoom_in

alternate_version_at_sourcealternate_version_available

ass grabbing_ass male_only matthewonart mettaton mettaton_ex tagme undertale

assgrabbing_ass

ass_focus femboy hotlegmeme leaning_forward leaning_on_object loose_hair loose_shirt mettaton mettaton_ex posing pulling_clothing robot robot_humanoid shirt simple_background undertale

ass_focusfemboy

androgynous bulge cappanic doll_joints gay male mettaton non-human non-human_only robot skinny solo_male toony underwear

androgynousbulge

2d anon anonymous_male ass big_areola big_ass big_balls big_belly big_breasts big_butt big_nipples big_penis big_thighs black_body black_hair breasts darkdemon74x heart mettaton mettaton_ex robot undertale undertale_(series) undertale_au undertale_fanfiction video_games y/n you

anonanonymous_male

2d bare_pussy black_hair female gloves hair_over_one_eye huge_thighs lboi97 mettaton pink_background pink_pussy pussy_juice pussy_lips robot_humanoid rule_63 talking_to_viewer text thick_thighs undertale wide_hips

bare_pussyblack_hair

accurate_art_style animated blowjob ddeter398278 gangbang grabbing handjob incest incest_(lore) mad_dummy mettaton mettaton_ex napstablook nettspend no_sound pixel_animation pixel_art threesome undertale

accurate_art_styleanimated

1boy areolae balls big_thighs black_hair blush bulge concert cunty damn_bitch_slay eyeshadow femboy flat_colors hggg johnv leg_up male male_only mettaton mettaton_ex nipples panties pose posing robot robot_boy robot_humanoid small_penis solo stage stripper thick thick_legs thick_thighs thigh_highs thighhighs thighs twink undertale undertale_(series) underwear wavy_hair white_skin

1boy annoyed anus areolae ass ass_grab back_view backsack balls bent_over big_nipples big_thighs black_hair blush bulge bussy concert dark-skinned_male dark_skin eyeshadow femboy gay grabbing grabbing_ass hand_on_butt imminent_sex interracial johnv looking_at_viewer looking_back male male/male male_focus male_only mettaton mettaton_ex panties penis public public_nudity rear_view robot robot_boy robot_humanoid small_penis stage stripper thick thick_ass thick_legs thick_thighs thigh_highs thighhighs thighs twink undertale undertale_(series) underwear wavy_hair white_skin yaoi

1boy areolae balls big_thighs black_hair blush bulge concert cunty damn_bitch_slay eyeshadow femboy johnv leg_up male male_only mettaton mettaton_ex nipples panties pose posing public public_nudity robot robot_boy robot_humanoid small_penis solo stage stripper thick thick_legs thick_thighs thigh_highs thighhighs thighs twink undertale undertale_(series) underwear wavy_hair white_skin

ai_generated big_breasts black_hair cameltoe civitai exposed_breasts female genderswap_(mtf) looking_up mettaton mettaton_ex robot robot_girl rule_63 smug superiorfox_(copyright) superiorfox_(style) tagme undertale undertale_(series)

ai_generatedbig_breasts

2024 2boys big_penis black_eyelids black_eyeshadow black_hair eyeshadow fellatio femboy frowntown gay girly hair hair_over_one_eye hand_on_penis handjob licking licking_penis lips lipstick mettaton mettaton_ex open_mouth oral oral_sex penis precum robot stroking_penis teeth teeth_showing thick_lips undertale

big_penisblack_eyelids

3boys androgynous blowjob cum_in_mouth cum_on_face face_closeup fellatio mettaton mettaton_ex tagme threesome undertale undertale_(series)

androgynousblowjob

absurd_res alligator alligatorid alphys anthro areola arino asgore_dreemurr asriel_dreemurr balls big_breasts bone bovid bratty_(undertale) breasts burgerpants caprine casual_nudity catty_(undertale) clothed clothing crocodilian fangs felid feline female flaccid flower flowey_the_flower foreskin genitals goat group gynomorph hi_res horn humanoid intersex lineup looking_at_viewer machine mad_mew_mew male mammal mettaton mettaton_ex mew_mew_(undertale) micropenis muscular nipples nude open_mouth papyrus_(undertale) penis plant pose pussy reptile robot sans_(undertale) scalie simple_background skeleton slightly_chubby small_breasts small_penis tail teeth tongue tongue_out toriel undertale undertale_(series) undyne

absurd_resalligator

anal_sex ass_cleavage bimbo femboy glowing_penis male/male mettaton mettaton_ex papyrus robot_humanoid sharp_teeth skeleton undertale undertale_(series) yaoi

anal_sexass_cleavage

anthro asriel_dreemurr balls blush boots boss_monster_(undertale) chastity_cage chastity_device clothed clothing dracozhilla duo femboy footwear fur_boots genitals hi_res high_heels jacket larger_male locktober machine male male/male mammal mettaton presenting robot shirt shoes size_difference skinny smaller_male stretchy_arms stylized_chastity_cage text tongue tongue_out topwear undertale undertale_(series)

anthroasriel_dreemurr

chastity_cage chastity_cage_only chastity_device chastity_device_only dracozhilla locktober machine male mettaton mettaton_ex mettaton_neo nude robot stylized_chastity_cage text undertale undertale_(series) zero_pictured

chastity_cagechastity_cage_only

ai_assisted anthro balls big_breasts bovid breastfeeding breasts caprine closed_eyes clothed clothing commander_d digital_media_(artwork) dress duo edit erection female fur genitals gloves goat hair handjob hat headgear headwear hi_res horn legwear machine male male/female mammal markings mettaton mettaton_ex nurse nurse_clothing nurse_hat nurse_headwear nursing_handjob penile penis robot rule_63 sam_(steamyfur) sex simple_background smile stockings undertale undertale_(series) upscaled video_games white_body white_fur

ai_assistedanthro

2boys blush clothed clothing comic fat_ass grinding grinding_on_penis grinding_through_clothes high_heel_boots male male/male mettaton mettaton_ex nsfwshamecave pleasure_face robot robot_boy sans shaking ship skeleton sweat sweatdrop sweating teasing thick_thighs trembling twitch_lines twitching undertale undertale_(series) whimpering

1boy 1girls bed big_breasts brown_hair camper34 commission commissioner_upload female foreplay glasses grabbing_hands grabbing_waist hand_on_side human_on_robot imminent_penetration imminent_sex long_hair mettaton mettaton_ex on_bed original_character pinned_down pinned_to_bed robot robot_on_human undertale

big_lips bimbo_lips busty busty_boy jack-o_pose male male_only male_with_breasts mettaton mettaton_ex smutstrut undertale

big_lipsbimbo_lips

1

2

3

4