FURVERT!

against_surface against_wall anthro anus backsack balls biped bulge butt canid canine canis clothed clothing conditional_dnp dobermann domestic_dog drew_dubsky genitals grin hi_res holding_butt jockstrap looking_at_viewer looking_back male mammal naughty_face outside perineum pinscher presenting presenting_anus rear_view smile solo spread_butt spreading standing tojo_the_thief topless underwear