1 definition by FayeWillGlompifyYoo

Top Definition
3 or more people having sex. Usually requires at least one male. Sometimes used just for something funny to say when a group of people leave together and you don't know what they're doing.
This is a real life example, with some names changed.

Jane, Anna and Betty leave the room to go to the bathroom.

Bob: Are they going to the loo AGAIN?
Chloe: They're probably having a gangbang.
Bob: But don't you need a cock for that? Or did they bring a dildo?
Me: You sick minded freaks!
by FayeWillGlompifyYoo October 03, 2006

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