ur mom

What people say when the they lack the intelligence to think of any sort of comeback. It's a very redundant phrase. You'll say, "Hey, how's it goin'?" and your mother will be brought into the conversation out of nowhere.

Whomever uses this phrase in an argument, has automatically lost.
Me:Seriously, Napoleon Dynamite sucks.
Them:ur mom
Them:lol
Them:...
Me: Ohhh, original.
Them:STFU ur momz a ho
Me: At least I got one, motherfucka'!
Them has signed off
by Jon March 08, 2005
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your mom

birth giver / best and most over used joke ever.
n00b: what'd you do this weekend?
me: YOUR MOM.
by sarahhh$$ March 02, 2006
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Old Mom

An ex-New Mom which you still need to deal with.
1. Old Mom keeps wantin' to hook back up
2. Old Mom gets most of my take-home.
by Eric January 02, 2004
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Peter's mom

One who is the mother of someone named Peter. See also fuckable
Peter: "Youre ugly!"
Me: "Well yeah? Your mom!"
by Dusty's Mom April 15, 2004
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Mom Job

The act of intercourse (generally from behind and on your side) with a female who is breastfeeding an infant, or another participator in said intercourse.
Dude, I pulled off the best Mom Job with that chick last night. It was weird when she was nursing her kid, but when her girl friend joined in it was totally worth it.
by RockerDaddy865 August 30, 2010
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your mom

shortened version of the very british
"yes, well i had intercourse with your darling mother, i bid u good day"
by ur brizzo February 02, 2004
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Mom Squared

A person who is like a second mom. Mom to the second power. Mom².
"She's like my second mom, my mom squared."
by Aimski's February 06, 2009
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