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1. A phrase used as a formal declaration of defeat. For example: "Kenneth replied 'yo mama' when he realized he could not counter his opponent's point."

2. The principle part of a "Yo Mama" joke, usually entailing a description of your mother being so "something" that "something" occurred as a result.
1. Amy: You're so ugly!
Gwen: Yeah, well so's YO MAMA!

2. "Yo mama so fat, the last time she saw 90210 was on a scale!"
"Yo mama so dumb, she thought a quarterback was a refund."
by Ben September 10, 2003
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Aug 4 Word of the Day
Lying flat refers to a defeatist lifestyle in Chin, where people stop working, desiring material acquisition, and tap out of any social life ā€“ sometimes for good. By lying flat, young people are participating in a kind of non-cooperation movement, rather than surrendering themselves to China's oppressive work culture where they see little hope of social mobility.
Iā€™m not going to try to get a better job so I can afford to start a family, Iā€™m just lying flat.
by Freeo11 June 04, 2021
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2
1. a TV show with Wilbur Valderama(Fez from "That 70's Show"
2. A cruel start to a funny joke.
3. Your mother.
1. "time for YO MAMA!!!"
2. "Yo mama so fat when she sit's on a rainbow skittles fall out."
3. Lynn Ann Wilson
by The Child March 28, 2008
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3
"yo moma" is something you say in front of every sentence that some1 says just to piss then off
Guy 1: I'm going to tie my shoes
Guy 2: YO MOMA'S GONA TIE HER SHOES!!!

Girl 1: That Girl is a slut.
Random Guy 1: YO MOMA'S A SLUT!!!
by J R Stokes July 04, 2004
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4
They call yo mama "The Squirrel" cuz she always got nuts in her mouth!
Yo mama like the bus: everybody gets a ride for one dollar!
by Nasty Nate October 03, 2003
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5
The person who loves you even if you act like a heartless bitch who cares about only yourself. The person who argued for their right to have you in the first place, and has never been sorry she did even when you completely turn your back on her. The place you can always go when you find out that friends come and go but your mother will always be there to help you pick up the pieces.
Only Yo Mama could forgive you for that.
by Always143 August 11, 2010
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6
Slang for "your mom". A nice insult! Talking about your mom is really insulting.
Ex. 1
Some guy: Get a life...
Person responding: Yo mama!
Some guy: What did you say! *beats up person responding

Ex. 2
Some guy: You fat pig...
person responding: Yo mama's a fat pig!

by GABEMSTR November 14, 2006
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