The act of flicking a fat kid's boob to where it jiggles, in a manner as if you were dipping a chip into bean dip.
This is usually done at places where kids gather to play Magic: The Gathering or have LAN parties.
Let's give that fattie a bean dip he'll never forget!
most likely originated in Australia or new Zealand, due to one of the main livestock being a sheep
A sheep's testicles
You can't eat mountain oysters...unless you're into that.