Batwinging 

The act of peeling the loose scrotum sack from the inner thigh.

Girl: "Are you peeling your nuts from your leg?"
Boy: "No, I'm batwinging it"

Batwinging by Emoi89 July 12, 2011

Batwinging 

A term used to describe a male's testicles getting stuck to his leg.

Tony didn't care who he was talking to, it could have been the Queen of England, he was gonna reach down and fix himself if he was batwinging it no matter who it was.

Batwinging by @Badmoneyslim July 15, 2019

bat winging

When the male's scrotum is sweaty and it sticks to the sides of the legs, to resemble a bat's wings.

Dude, after that run i am totaly bat winging it.

bat winging by Ashton Amos May 12, 2008