The skin that is left hanging after someone pushes a large Walrus dildo up the booty.
Damn your beefy flap jacks are torn up out after taking such a large Walrus dildo!
Peepee flaps are what you yell to your best friend when you are bored
Girl1: I am bored. Girl2: PEEPEE FLAPS! Girl1:lmfao
A person who stands around in grocery stores or other places talking to people and your trying to get by them, they acknowledge you behind them so they ignore you and just keep on talking. Or when your talking to somebody but they don't give you time to speak they talk over you because what they have to say is more important than what you have to say.
in a sentence: You just keep jaw flapping about whatever, I have someplace to be and have important things to do!
a piece of Kangaroo meat cut into the shape of "piss flaps" and then tried to be fed to the naive English Pommy
"Here mate would you like to try some BBQ'd Koala flaps"