it means or its the same as: whats happening? , whats going on?, whats on the ground?
hey, Rafa! whats cookin'?

ummh, nothing much just chilling!
by taako August 16, 2011
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The act of grilling a hamburger. Or, the act of defecation.
You: What's up?
Me: Cookin a beef.
You: Oh, you're grilling a burger, huh?

You: What's up?
Me: Cookin a beef.
You: Oh, you're taking a shit, huh?
by MetalSlugx October 16, 2011
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Means awesome or great.

Another use is "let's cook some meat",meaning let's go/ let's do this.
First person: "Let's go out tonight. "
Second person:" Cookin' meat! " / "Cookin'!" /Yeah, let's cook some meat"
by DickFelleHome🅱️oi July 21, 2021
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similar to What's kickin' ?
What's cookin' ? Same old shit on the plate.
"everybody's running, but half of them ain't looking
what's going on in the kitchen, but I don't know what's cookin'" - Coolio(Gangsta Paradise)aka what's cookin' version
by OnDuty March 7, 2009
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When someone is absolutely owning or winning at something, they are said to be "cookin' tits." Usually exclaimed by hipsters pretending to be cool.
Hipster: Dude! I just got 7 different phone numbers from hot asian chicks over there!

Other Hipster: Holy shite! You're cookin' tits.
by Slim Shady Lady May 3, 2011
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