"Qwan u otta G-Mack breh, 'fo u stole off on that nigga"
by Rocko Skarphone 2 March 25, 2009
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a term used in brooklyn, new york (created in James Madison High) which means basically "to chill" ~KadoLoso~.
Speaker 1: James Madison High School is boring right?

Speaker 2: G-Mac my nigga! your bugging madison is live!
by KadoLoso March 27, 2010
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.. And G-MAC hits the three with .5 seconds left to put syracuse on top!
by kirk vassallo March 23, 2006
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G-mac means Gangster mac. Its an ill word to throw down your homeboy. Showin dat he gangster big time.
Dude u be throwin dat shizzle heat all ova da corna u a true G-Mac
by My NgUyen AkA Fo ReAlz March 1, 2005
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The term for a bald cunt, he'll force you to come in when your shoes are melting and you can't physically go on. However, he'll force you to go home when there's 0.01% of the car park is covered in ice.

If you know someone who show signs of being a G Mac, you should get them help.
Vince: Son, me and your mother are concerned about you, you're showing signs of a G Mac.
Gerard: I know father, I am a G Mac, I love his bald head.
by Wagwan Whitmore December 17, 2018
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