Nothing. Mostly used by ghetto people and gangster wannabes. The o is replaced by an u. It makes it sound more street and more 'whatever'.
Person A: Cut the check nigga!
Person B: Yo give it here and dont say nuthin.
by youknowyoudont August 22, 2006
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When you supposed to be doing something important but you want to bust nuts all day.
Manager Steven: Hey Horny aren’t you supposed to be on the cashier today?
Horny: Naw mayne I’m doing nuthin.
by Smoke and Fork Banger’s Club November 7, 2018
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This definition has beginnings from men who take woman out and falsely portray themselves as big time person. Then the women finds out that they are a phony, who has nothing to offer in the relationship. This also pertains to the workplace.
by Lstew June 15, 2018
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what you say or think when someone says 'maybe'
Guy: wanna go out?
Girl: Idk maybe
Guy:(really nigga?) ITS NERF OR NUTHIN!
by C-ZUH October 27, 2015
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A friend would ask:
Whats up?

You might respond with nuthin much
by Malice27 October 19, 2007
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An alternative phrase to "nothing burger" for plant-based individuals used to express disappointment after a much-anticipated event.
I was excited to see (insert name of whatever one was anticipating) but it turned out to be a big ol' nuthin' muffin.

Terry turned out to be a nuthin' muffin; I can't believe I thought spending time with them would be awesome.
by TeaInTheMoment March 11, 2021
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a way to say "you don't know nothing about me" or "you don't know anything about me". Used as a comeback to douche-y comments or rude gestures.
bob: "hey watup sistah? lets hang."
girl 1: "ya don't know nuthin' 'bout me."

girl 1: "i'm pretty much the best person here."
girl 2: "'cause ya don't know nuthin' bout me."

dude 2: *sticks tongue out.
girl 3: "you dont know nuthin' 'bout me, you loser."
by hashendonitsme April 28, 2013
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