A man who can only obtain sexual release through intercourse with pets.
Trust me, that guy's a dankupka. His ex-girlfriend told me he wouldn't touch her, but she walked in on him with her dog Fifi.
He didn't make a move, so I came home and had a one night hand.
A penis. See also tallywacker, whack off, whacky sack.
Poor kid got his whacky caught in his zipper.
Testicles. See also tallywacker, whack off.
His whacky sack looks a little swollen!