1. Makin money by hustlin

2. Respect, salutation form

3. To call a formation ( gangsta's) to stand up.. for whateva the reason
(gettin my g's up! makin grands)

(G's up my nigga)

(G's up !! gangstas get up)
by Dm¢ March 18, 2008
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Used to describe/question an unfavourable outcome. Similar in use to horseshit.

Commonly used in Australian conversation.

Similar but not the same as G'd up, Geed up
Example 1
Boss: "We haven't hit our profit targets for this quarter. Unfortunately I am left with two options. Either accept a pay cut or, you're fired!"
Employee: "Is this a G up?"

Example 2
"I have been waiting all day for my dildo to arrive in the mail and have just been told it will arrive in another 3 days. What a fuckin G up."
by Oh hey bro! May 26, 2020
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G up is similair to the phrase "fire it up" It refers to becoming prepared; to bring your A game; or go balls to the wall.
As heard by Theo on MTV battle of the sexes: " Come on Robin, G up baby!"
by Max Wittler January 25, 2005
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a slang term used on the popular online ps2 game socom

used when inpatient people want you to "green up"

"g-ing up" or "greening up" is the action of switching your status to ready.
hey everyone g up. its not my fault you little pussies have small dicks.
by slliiimshaaddy June 28, 2004
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A term used commonly in London to describe the action of being snitched on by somebody, to the police. Short for Grassed On.

"Gee'd up"
"G up"
Bubba1: "I can't believe that pussy G'd you up."

Bubba2: "I'm gonna jook him when I finish my bird!"
by Liquifux August 6, 2004
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Short for "green up"; the act of signaling readiness to play in the lobby of the online PS2 game Socom 2.
Impatient PS2 Nerd: What the hell is taking so long? G up already!
by Jeff Foxworthy June 27, 2004
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The act of consuming a cocktail of illicit substances, spreading it amongst a group of friends lasting 48 hours or more.
shi man call Jason and see if he wants to come over for a mad g up, everyones doin it.

Ruffy: what did you get up to for the weekend?
Massive bo: Had a dirty big g up at my place, it was chong nezzy, aqueezy was there.
by sean n dom May 7, 2007
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