Rule 34 Dev - 2021 2d abs animated anthro armpit_hair ass back_muscles beard big_bulge big_butt big_muscles black_background body_hair bulge chest_hair clothing covering covering_crotch covering_self dinosaur english_text facial_hair fade_to_black gif hair happy_trail heart hi_res hyaku_(artist) japanese_text jockstrap loop male male_only muscular muscular_anthro muscular_male open_mouth pecs pubes reptile scalie scar sharp_teeth short_playtime simple_background smile solo solo_male standing surprise tagg teeth text theropod thick_thighs thong tyrannosaurid tyrannosaurus tyrannosaurus_rex underwear url wardrobe_malfunction white_background|5999833808