- When a male takes his nut sack and isolates it from his wang. He then proceeds to stretch the excess skin into what looks like a bat wing.
- Often used during the Fag Game or the Nut Game.
See also The Goat, The Brain, Fag Game, Nut Game, The Look

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

When you're sweaty, and your sac starts stickin to your inner thighs.

To grab the extra skin on ones scrotal tissue and stretch them out to each side, with the penis in the middle. The veins in the testicles resemble the structure of a bats wings.

Term used in the movie "Waiting" which deserves three kicks if caught looking at one.

When its hot and sweaty and your ball-sack sticks to the sides of your legs. Forming a bat-wing. See also Half-Caf Batwing

The withered and discoloured labia of an elderly woman.

Bat Wings are what guys get when things get sweaty downstairs and your ball sack starts sticking to the side of your thighs.