1) A group of jokes meant to criticize one's mother by saying that she is fat, ugly, stupid, etc.

2) A lame phrase someone I know keeps saying whenever I ask him a question about PE because he has it before me.
1) Yo mama so ugly people watch her during horror movies.

2) Me: Hey, what are we doing in Pe today?

Him: Yo Mama!

Me: Shut the f up.
by army_azn December 09, 2004
Yo mama= a sexy thing to add after EVERY phrase!
"josh: you are so gay!"
"scott: no yo mama is so gay in bed!"
by BUTTERNIPPLE June 22, 2007
Aaron Healy's only comeback
Someone - Aaron, put that cock down and grab the butt plugs.
Aaron - Yo Mama!!!
by poontang March 17, 2004
as in yo mama not mine so back the fuck up!!
yo mamas so small she plays tennis against the curb!
yo mama is like a contoller you press her buttons and play her w/ yo joystick.
yo mamas like a slot machine the more you pay the more you play!
by nerf-herder5000 August 06, 2007
A typical insult that dates back to around the 90s. Usually stupid and demeaning.
Actual example: Yo mama so (BLANK) she (BLANKITY-BLANK)
by Matt November 10, 2003
German rap lable
by VAKI5 August 17, 2003
yo mama's drawers so funky they can play bass for P-Funk
by Nate June 10, 2003
A brand of outdated jokes that are still told by ignorant fucktards. Anyone found telling these jokes are to be immediately dazed by pepper spray, assfucked by a homeless bum, and fight Chuck Norris to the death.
Yo mama is so fat, when she stepped on a scale, her acceleration from rest resulted in a force between the two conductors of 6.0 to bi-tensor com-flex 23 newtons-per-minute and the magnetic flex around the closed curve was proportional to the algebraic sum of electric currents flowing through that closed curve.
by ServiceWithaSmile March 21, 2009

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