Top definition
To test someones G or Gangsta. To ensure they are indeed the gangsta they are presenting themself as. Often seen as highly disrespectful.
He was across the street frontin like a boss and shit. So i went ova there and g checked him. Hommie got real humble.
by Mossberg July 10, 2006
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2
When someone of a gang approaches someone who he thinks is a memeber of the same gang, he will ask him to state his name, rank, set, and OG.
short for ganster check, or checking someones "gangster"
I had to G-check that nigga over there, he was tryin to act like he was down.
by Keith December 03, 2004
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3
a system where a gang member will test anothers gang members knowledge of the gang codes in a disrespectful manor.
this nigga just tried to G-check me, i know my shit.
by scareface April 30, 2008
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4
When you check if a lil nigga real or false flaggin'
Real Nigga No. 1 - Mane that lil nigga swear he bang 74

Real Nigga No. 2 - Time for a G Check
by RealAssNigga December 21, 2010
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5
When you question one's true G-status.
A G-Check can be a direct contradiction of what one person says because another believes that the speaker is not G enough for their statement to be valid. A G check can be reversed if the origional speaker performs said G check issued by the second person. A G-Check can never be a one sided statement there must always be a claim before the check.
Scenario:
(Andy and Joe enter bar)
(hood rat passes)

-Andy: daum yo that bitch is fine imma hit that tonight. (starter statement)
-Joe: nigga please you got no chance (G-check)
- Andy procedes to hit that all night long and then brags to Joe about it, which is the G-Check turnaround.
by andyisown August 15, 2008
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6
The art of keeping someone in line by proving your own dominance in any aspect of life
You just see Tiles G' Check Mucci's queer ass when he grabbed his beer during the hockey game?
by CK ho11erable September 03, 2008
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7
1) When someone is offending you or bothering you, you put the person in check or teach them a lesson so to speak.
"Jim Lee was talking shit, so I G-Checked his ass by robbing him!"
by Chris November 17, 2004
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