extreme sexual fusion between two people, or:

silly and random acts between a group of people, or:

slang for "cool person"
KB: Alf, that shirt is so gamgamy on you
Alf: i know

MM: KB, it was gamgamy to steal Alf's song and say that it was yours.
KB: i know, i'm sorry, Alf.
Alf: It's ok KB, i forgive you.

GM: hey gamgamy, what's up?
by letsgotofrance December 8, 2006
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