A humorous or sexy way for an intact male to refer to his foreskin. Helps women learn to appreciate its beauty instead of thinking it should just be cut off.
Angela: What's that wrinkly thing?
Will: That's my pee-pee flap. It keeps my pee-pee warm and sensitive.
Angela: Hey, it's kind of cute...
by I Love Ellie Elephant April 5, 2016
Get the pee-pee flap mug.