look up any word, like sparkle pony:
 
1.
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
by tiredoftards July 21, 2008
 
2.
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
by gettalife July 24, 2008