r34 popular

Source

Type

Order

grillby

1boy 1boy1girl 1girls 2d against_wall color female gaster grillby male orange_body penetration rule_63 salt-ankles_(artist) tagme uncensored undertale undertale_(series) white_background white_body

against_wallcolor

1boy 2d ambiguous_gender color dialogue english english_dialogue english_text gaster grillby salt-ankles_(artist) tagme text uncensored undertale undertale_(series)

ambiguous_gendercolor

1boy 2d ambiguous_gender ambiguous_penetration color gaster grillby male orange_body penetration rule_63 salt-ankles_(artist) tagme undertale undertale_(series) white_background white_body

ambiguous_genderambiguous_penetration

2boys alternate_universe anthro anus ass ass_focus asshole back_view fell_grillby fellatio fire_body gay gay_sex grillby grillby_(underfell) grillcest hi_res humanoid looking_at_another male male/male muscular muscular_ass muscular_male nipples nude open_mouth oral oral_sex orange_body pecs precum precum_drip purple_body redeyedgazer sucking sweat thick_thighs underfell undertale undertale_(series) undertale_au

alternate_universeanthro

2boys alternate_universe anthro ass blowjob cum cum_in_mouth cum_inside cumming cumshot ejaculation fell_grillby fellatio fire_body gay gay_sex grillby grillcest hi_res humanoid male male/male muscular muscular_male nude oral oral_sex orange_body pecs purple_body redeyedgazer simple_background sucking thick_thighs underfell undertale undertale_(series) undertale_au

alternate_universeanthro

2boys alternate_universe anal_sex ass back_view balls behind_view blue_blush blush bottom_on_top breath cum cum_in_ass cum_inside dat_ass fell_grillby fire_body gay gay_sex grillby grillcest hi_res looking_pleasured male male/male male_only motion_lines muscular muscular_male muscular_males nude on_penis open_mouth orange_ass orange_body penetration penis purple_body purple_penis redeyedgazer smile sweat tongue_out underfell undertale undertale_(series) undertale_au yaoi

alternate_universeanal_sex

2boys alternate_universe anal_sex ass balls blush cum cum_in_ass cum_inside dick ejaculation erection fell_grillby fire_body fire_humanoid gay gay_sex grillby grillcest legs_up looking_at_another male/male male_penetrated male_penetrating male_penetrating_male mating_press muscular muscular_male nude orange_body penetration purple_body redeyedgazer sex smile spread_legs underfell undertale undertale_(series) undertale_au yaoi

alternate_universeanal_sex

1boy 2d arms_behind_back balls bara buff color erect_penis erection fire_elemental gay glasses grillby hands_behind_head laid_back legs_apart legs_spread male male_focus male_only monster monster_boy muscles muscular muscular_male naked nude orange_body penis redeyedgazer solo solo_focus solo_male spread_legs testicles uncensored undertale undertale_(series)

arms_behind_backballs

1boy 2d ass ass_focus back_view big_ass big_ass_(male) big_butt big_muscles black_legwear black_stockings black_thighhighs bunny_ears bunny_tail bunnysuit color fire_elemental gay glasses grillby huge_ass huge_butt huge_thighs looking_at_viewer male male_focus male_only monster monster_boy non-human orange_body redeyedgazer simple_background solo solo_focus stockings thick thick_ass thick_hips thick_legs thick_thighs thighhighs thighs undertale undertale_(series)

1boy 2d ass ass_focus back_view bottomless color fire_elemental gay grillby male male_focus male_only monster monster_boy orange_body redeyedgazer solo solo_focus solo_male tagme undertale undertale_(series)

2boys anal anal_sex bara big_ass big_belly blue_blush blue_body blue_penis blush bottom_on_top buff chubby chubby_male ectobody fat fire_body fire_elemental gay gay_anal gay_sex grillby lightsaber_dick looking_at_another looking_down looking_pleasured looking_up male male/male male_only male_penetrated male_penetrating male_penetrating_male man_boobs motion_lines muscles muscular muscular_male orange_body penis power_bottom redeyedgazer riding_penis sans skeleton testicles thick_thighs undertail undertale undertale_(series) white_background white_eyes white_pupils yaoi

2boys 2d bara buff chubby chubby_male color commission gay grillby impressing male male/male male_only monster monster_boy muscles muscular muscular_male redeyedgazer sans undertale undertale_(series)

2boys 2d bara big_belly buff chubby chubby_male color commission gay grillby impressed impressing male male/male male_only monster monster_boy muscles muscular muscular_male redeyedgazer sans shocked_expression smiling tagme torn_clothes torn_clothing undertale undertale_(series) wide_smile

2boys 2d bara big_belly buff chubby chubby_male color commission gay glowing_eye grillby impressed impressing male male/male male_only monster monster_boy muscles muscular muscular_male redeyedgazer sans torn_clothes torn_clothing undertale undertale_(series)

2boys 2d bara big_belly buff bulge chubby chubby_male color gay grillby impressing male male/male male_only monster monster_boy muscles muscular muscular_male redeyedgazer sans showing_off showing_off_in_return smiling tagme undertale undertale_(series) underwear wide_smile

2boys 2d bara blush blushing buff chubby chubby_male color gay gay_anal gay_sex grillby looking_away looking_down male male/male male_only monster monster_boy muscles muscular muscular_male precum precum_drip redeyedgazer sans tagme uncensored undertale undertale_(series)

2boys 2d angry_face bara buff color dicks_touching erect_penis frottage gay grillby grillby_(underfell) grillcest grin grinning male male/male male_only monster monster_boy muscles muscular muscular_male precum precum_drip redeyedgazer tagme uncensored underfell undertale undertale_(series)

69yano69 abs biceps bounty_hunter_(darkest_dungeon) darkest_dungeon gay grillby helmet hyper hyper_balls hyper_genitalia hyper_penis hyper_testicles knight male male_focus male_only muscle muscles muscular muscular_arms muscular_ass muscular_back muscular_legs muscular_male muscular_thighs nipples pecs sketch veins veiny_penis

1boy 1girls 2d bottle bottomless color drunk duo faceless_male female female_frisk frisk frisk_(undertale) genitals grillby pantless penis rape sex shirt_lift straight substance_intoxication table table_sex tagme undertale undertale_(series)

bottlebottomless

absurd_res anus ass dilf elemental_creature elemental_humanoid fire fire_creature fire_humanoid genitals grillby hi_res humanoid male muscular muscular_humanoid muscular_male nude orange_body penis presenting presenting_hindquarters rear_view redeyedgazer solo tagme undertale undertale_(series)

2boys 2d animated_skeleton biting_own_lip blue_blush blush cum cum_on_face dominant_pov english_text gay grillby heart-shaped_pupil heart-shaped_pupils heart_shaped_pupils male male_only orange_penis pov sans shandrawaka skeleton speech_bubble sweat undertale undertale_(series) wink yaoi

animated_skeletonbiting_own_lip

2boys 2d anal anal_fingering anal_sex black_shorts blue_blush blue_dick blue_eyes blue_penis blue_pupils blue_testicles blue_tongue blush bottomless fingering fire_elemental gay glasses grillby handjob jacket kissing making_out male male/male male_only meta_request oral orange_body orange_penis sans sans_blush sans_eye sans_glowing_eye sans_penis shandrawaka shorts skeleton undertale undertale_(series) yaoi

analanal_fingering

1boy 2d animated_skeleton blue_blush blue_penis blush bondage collar ectopenis grillby jacket japanese_text kneeling leash leash_and_collar male male_only pink_collar rope rope_bondage sans sex_toy shandrawaka simple_background skeleton solo solo_male spoken_heart text translation_request undertale undertale_(series) vibrator vibrator_on_penis white_background

animated_skeletonblue_blush

2d 3boys blue_blush blue_jacket blush chocolate chocolate_on_penis fellatio food_play gay grabbing_penis grillby male male_only oral orange_penis penis penis_grab pink_background sans shandrawaka simple_background solid_color_background undertale undertale_(series) wink yaoi

blue_blushblue_jacket

2boys 2d anal anal_penetration anal_sex black_sclera cum dialogue english english_text gay golden_tooth grillby male male_only penetration red_cum red_eyes red_penis red_sweater sans sans_au sapsavana shandrawaka sharp_teeth skeleton sweater talking text underfell underfell_grillby underfell_sans undertale undertale_(series) undertale_au yaoi

analanal_penetration

2boys affectionate anal anal_sex bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller blush bottomless closed_eyes gay grillby kissing larger_dom larger_penetrating larger_penetrating_smaller male male_only monochrome pink_theme sans shandrawaka simple_background skeleton smaller_penetrated smaller_sub t-shirt undertale undertale_(series) white_background yaoi

affectionateanal

2boys against_wall anal anal_penetration anal_sex animated_skeleton barista black_sclera blue_blush blue_penis blush duo ectopenis ectoplasm erect_while_penetrated erection fire_elemental from_behind gay glasses grillby hooded_jacket male male/male pants_down penetration penis red_eyes sans shandrawaka tears undertale undertale_(series) yaoi

against_wallanal

2boys 2d anal animated_skeleton blue_eyes blue_gloves dialog dialogue dominant_pov drool duo ectoplasm english english_text game gay gloves grabbing_leg grillby grillby_au leg_grab legs_spread male male_pov on_back open_mouth orange_body penetrating_pov penetration penetrator_pov penis pov sans sans_(underswap) sans_au shandrawaka skeleton solo_focus speech_bubble spread_legs star-shaped_pupils star_eyes star_shaped_pupils symbol-shaped_pupils talking tears text text_bubble undead underswap underswap_grillby underswap_sans undertale undertale_(series) undertale_au video_games yaoi

analanimated_skeleton

2boys 2d animated_skeleton blue_blush blue_gloves blue_tongue blush bottomless bowtie dialogue duo embarrassed english english_dialogue english_text fellatio gay glasses gloves grillby grillby_au male male/male male_only oral pink_bowtie sans sans_(underswap) sans_au shandrawaka simple_background skeleton speech_bubble spiral_eyes suck sucking sucking_penis talking text undead underswap underswap_grillby underswap_sans undertale undertale_(series) undertale_au white_background yaoi

animated_skeletonblue_blush

1boy 2d blush blush_lines chinese_text completely_nude completely_nude_male cum cum_on_floor embarrassed english_text fair_skin fire_elemental glasses grillby grillby_au kneeling large_penis male male_only naked nude open_mouth orange_skin pink_bowtie shandrawaka sitting solo solo_male spiral_eyes spiral_glasses text underswap underswap_grillby undertale undertale_(series) undertale_au white_background

blushblush_lines

2boys 2d black_sclera blush dialogue english english_dialogue english_text gay golden_tooth grillby grillby_au jacket licking_penis male_only purple_penis red_eyes sans sans_au shandrawaka sharp_teeth skeleton talking text underfell underfell_grillby underfell_sans undertale undertale_(series) undertale_au yaoi

black_sclerablush

2boys 2d bigger_male bigger_penetrating bigger_penetrating_smaller black_background blush ectopenis erect_while_penetrated erection gay golden_tooth grillby grillby_au heart larger_male larger_penetrating larger_penetrating_smaller male male_only monochrome penis sans sans_au sapsavana shandrawaka sharp_teeth skeleton smaller_penetrated sweater tears tongue_out turtleneck_sweater underfell underfell_grillby underfell_sans undertale undertale_(series) undertale_au yaoi

bigger_malebigger_penetrating

4boys anthro balls barefoot being_watched blue_body blue_penis blue_skin blush bone burgerpants domestic_cat duo feet felid feline felis genitals grillby handjob humanoid_genitalia humanoid_penis interspecies kajutan lagomorph leporid looking_at_another male male/male male_focus male_only mammal multiple_boys naked nicecream_man nude orange_body orange_skin penile penis rabbit sans sex skeleton smile solo_focus spread_legs spreading undertale undertale_(series) unseen_male_face

2d balls bara big_balls big_penis boner erection fire fire_humanoid glasses grillby male male_only muscles muscular nalnahi1 nude penis solo solo_male tagme undertale undertale_(series)

4_fingers absurd_res anthro areola artist_name big_breasts blue_eyes border boss_monster bovid bow_tie breasts brown_hair caprine closed_eyes clothed_male_nude_female clothing collar completely_nude cumbread dialogue dildo elemental_creature english_text eyebrows eyewear female fingers fire fire_creature floppy_ears frisk fur grillby group hair heart hi_res horn huge_breasts human kneeling leash long_ears male mammal mature_anthro mature_female motion_lines narrowed_eyes nipples nude open_mouth pink_areola pink_nipples sagging_breasts sex_toy slightly_chubby speech_bubble submissive submissive_female sunglasses text thick_thighs topwear toriel undertale undertale_(series) vest video_games white_body white_border white_fur

absurd_resanthro

animal_ears big_pecs breath breath_cloud cum cum_in_ass cum_inside fell_grillby gay grillby lion male/male male_only muscular_male muscular_males orange_body penis purple_body redeyedgazer silver_background tail tongue_out underfell undertale undertale_(series) undertale_au yaoi

animal_earsbig_pecs

1

3

4

5

6