turkey flap 

you know how old dudes have that flappy skin underneath their arms? It's kind of like that but between their balls and anus, sometimes hanging quite low (4"-8"). Some guys can even catch waves with it.

Also known as the perineal waddle, taintus gigantus or turkey taint. requisite equipment for any taintboarder

Jon rode Bob's turkey flap before dawn every day they were in Kauai.

turkey flap by the dump March 21, 2009

turkeyslapping 

To slap someone across the face with one's penis.

"That chick deserves a good turkeyslapping."

turkeyslapping by Travman November 11, 2002

turkeyslap 

When one is slapped in the face with a penis

Harry was turkeyslapped by his boyfriend last night

turkeyslap by weeman619 April 21, 2006

turkeyslapping 

To withdraw your penis from your underwear and proceed in slapping someone upside the head with the front half of it.

Woah, Josh just turkey slapped David so hard he got knocked out!

turkeyslapping by Josh Sandlin January 1, 2005