A male human whose anus cavity is so large that it flaps when a penis or other object is inserted.
Damn, I stuck my penis into floppys asshole and his damn dick flopped and flapped so much I thought that I stuck my dick into a cave with a collusial community of bats. Stay away from floppymudflaps if you dont want a sore wanker
A homosexual who has engaged in anal intercourse so many times that his butt cheeks flap.
Marycanewebmstr has taken it up the ass so many times he has aquired floppymudflaps