Acronym for "Gadget Addicted Consumer"
You're such of gac, of course you want a new Ipad.
by BentAngle February 07, 2010
Acronym for "Good Ass Cake" or "Good Ass Cookie". "Good Ass" can also be used for other things like pie (GAP).
Who brought the GAC for RoMerica's birthday?
by Mr. Cha-Cha Dizzle March 14, 2008
acronym used by the military meaning ground assault convoy

(noun) a series of military vehicles lined up to go somewhere for a mission especially overseas.
"hey private you're riding in the gac to baghdad"
by caffeine22 September 19, 2005
gac or G.A.C. - acronym for "general appearance check"
wait a sec, i need to stop for a gac before i say hi to him *giggles*
by Jane aka V. September 17, 2005
Bigger than infiniy.
To gac and back gac times
by bjkslf November 25, 2007
Acronym for "Grade 'A' Cocaine"
"This coke is weak. We need to score some GAC"
by JayBeezy August 13, 2007
Used in place of any other name for a person, usually an insult.
Person 1: Fuck you, you little whore.
Person 2: Go to hell, you gac.
by TheInsaneDoctor November 09, 2004

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