Rule 34 Dev - 2017 2boys all_fours animal_genitalia animal_penis anthro anthrofied anus armpit_hair asinus ass back beard big_ass big_penis bodily_fluids body_hair boots brown_skin chubby cigar clothed clothing digital_media_(artwork) disembodied_penis donkey equine equine_penis erection eyewear facial_hair flared_penis footwear from_behind_position furry gay genital_fluids glasses hair hairy_balls hi_res horsecock imminent_anal imminent_sex jockstrap larger_male looking_at_viewer looking_back male male_only male_pov mammal mature_male moustache muscular muscular_male overcross overweight overweight_male penis pov presenting presenting_hindquarters pubic_hair rear_view red_clothing red_underwear sex shirt silver_hair simple_background size_difference smaller_male smile smoke smoking solo_focus sweat tank_top testicles thick_thighs tongue topwear underwear veins veiny_penis wet wide_hips yaoi|3783730120