look up any word, like fleek:
 
2.
when u mean sumthin from the heart nothin less only gangstas use diss talk if u aint a g dunt use it cuz we dun play dat fuck shit
a my nigga g shit if da nigga try me ima split his shit wide the fuck open
by *407 NIGGA TILL I DIE* August 19, 2006
 
1.
Adverb. Describes the actions of a gangster or thug.
Often used to categorize excessively violent emotions onset by one's thugness.

Commonly used in robberies.
Yo, if you don't ante up your Sidekick, I'm bout to straight stab you on some G shit.
by xstacy72 August 23, 2005
 
3.
1. Often meaning real shit... like now and happening
2. For real?
1. Nick-"Yo dawg the is some good ass weed"
Ronald- "G-Shit"
2. James- "Ah hell no... i got Maria pregnant, again!"
Fabian- "G-Shit?"
James- "Yeah man G-Shit!"
by Nicholas A. Brown July 17, 2006
 
4.
Something that is an example of "G" behavior. Such as, but not limited to robbing, capping or smashing. "G" meaning gangsta.
G-unit
1. This nigga be on some straight G-shit.
2. I'll blow your whole shit up on some g-shit nigga.
3. Fuck all y'all niggas, run up on you wit all my dogs, fuck you think this is nigga? You about to feel that dead-ass real G-shit.
by G. Dr October 05, 2006
 
5.
doing something that takes courage.. keeping it 100% real, no matter what..
"damn, there were like 10 dudes trying to jump him.. but he was on some g-shit and still fought them, by himself"
by g-shit.com November 08, 2009
 
6.
hella good weed
i got that G-shit that make you feel alright
by budzilla13 February 10, 2010
 
7.
Good shit
this outfit is g-shit
by B. Rab February 10, 2004