when a girl has sex with more then 1 guy at the same time

An affectionate name for "grandmother," (esp. a somewhat cold, possibly drunk grandmother with aspirations of social standing.)

On the television show Arrested Development, Maeby Fünke and George-Michael Bluth call their grandmother (Lucille Bluth) "Gangy" in many instances.

The etymology is unclear but it's frequent use in context makes the meaning clear. The spelling "Gangy" seems to be the generally-agreed upon spelling on Wikipedia, IMDB, and most TV sites.

to be like a gangi*

an extremely coool person, usually originating from the new york area.

grody as shit

When multiple males have sexual intercourse with very few, usually just one, female.

a an eyesore of a creature the inverted arms the 17 toes and dont forget it lower broken vertabre so it crawls around feasting on knee caps and small animals

A person or group of people(gangies) would have aquired magical or mystical attriubtes