1 definition by howcansheslap1

Top Definition
a flaccid penis.
Guy A: Dude, you're such a pussy.
Guy B: Well at least I'm not a flup.
Guy A: What's a flup?
Guy B: *Aziz Ansari voice* A flaccid penis.
by howcansheslap1 February 09, 2013

Mug icon
Buy a flup mug!