Top Definition
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.
by Ashton Amos May 12, 2008
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"
by Emoi89 July 12, 2011

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