osn!

"OSN!" is an abbreviation for the commonly used ghetto phrase..
"Oh shit nigga!"
Anthony & Cuta were playing XBOX for 12 hours straight when Anthony finally dominated the game and made Cuta wish he had won.
Anthony: OSN! I dominated that game.
Cuta: What is this a contest?
Anthony: In your face!
Cuta: Wish I drove a soup kitchen van.
by Madison Ryder May 28, 2007
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Osns

On some nut shit
Yo you really osns you a weirdo
by cimarie December 03, 2018
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Osn

For blacks, omg was officially ruled for whites. whenever a black person would use "omg" they would instead use "osn" which means "Oh Shit nigga!".
White person example:
Guy 1: Hey did you do biology homework?
Guy 2: Omg i totally forgot about that.

Black people
Guy 1: Ay did you do biology?
Guy 2: Osn, i forgot all about that.
by DatNigga4rmOuterspace May 25, 2009
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OSN

means "Oh shit nigga". meant for black people who think "OMG" is to white.
by jakemebabe101 May 25, 2009
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OSN

A black version of OMG
stands for: Oh Shit Nigga
Devin: Damn, that girl is a double D!

Zavier: Osn! Foreals?!
by Hagigamafuh May 26, 2009
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osns

On some nut shit
“She was wildinthe other day bro osns.”
by ThatChick000 April 26, 2018
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OSN!

"Oh shit nigga!"

A Black version of "OMG", which IS too white of a term to use for Blacks.

An acronym not meant to be used by anyone who isn't Black.
OSN! I lost my "Chris Rock: Bigger & Blacker" DVD!
by Oh man. o3o September 18, 2009
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