A joke consisting of the specific phrase, "Yo mama (is) so---". It is an amusing, yet degrading style of joking. Use it when you are mad at someone!!!
Yo mama be so fat, she got baptized in Sea World.

Yo mama so greasy, she sweats Crisco.

Yo mama so big, when she was floating in the ocean, Spain conquered and claimed her as their New World.

Yo mama so big, she uses a paint roller to apply lipstick.

Yo mama so greasy, Texaco buys oil from her.
by No Name Entered December 29, 2007
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pathetic retort; unidentified insult aimed at precipient's mother when the speaker has the inability to think of a half-decent comeback.
Person number 1: "You are such a pansy."

Person number 2: "Yo mama!!"
by Mike Y. March 17, 2003
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Yo mama so old, Adam and Eve were telling mama jokes about her.
by Simon Says Go Fuck Yourself February 17, 2004
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A poor comback when nothing else comes to mind.
1.) At leats I have a mama not two dads and a chemistry set.
2.) Your moms like a postage stamp, I'll lick her stick her and send her away.
3.) Lets get off the subject of mama's cause I just got off yours.
4.) You keep my mom out of this I'll keep this out of your mom.
by Jay November 13, 2003
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"Yo, Mama!"
"What you say about my mama?"
"I was just saying 'Yo!' to my mama!"
by Arthur November 17, 2003
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