literally "Your mother". A derivation of yo mamma, used as a joke insult for any occasion. It doesn't have to make any sense at all and can be part of a phrase. Often used in a sexual context.
Bob: What'd you do last night?
Bill: Your Mother.

Bob: What did you think of that movie?
Bill: Your Mother

Bob: I'm getting tired of this.
Bill: Your Mother didn't get tired last night.
by Insert name here September 26, 2004
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A crappy comeback (yet effective if used right) to say if you can't think of a good one.
Guy 1- Yo you suck at this
Guy 2- Your Mother
Guy 1- -_-
by Webster's_Kid March 1, 2012
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you: What were you doing last night?
me: Your Mother
by yourmomer June 1, 2009
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A Way to shut up your opponent in an argument
Guy: Ohh my god you are a prick
Other Guy: Your Mother
Guy: . . . .
by TheBullet September 16, 2004
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In terms meaning, yo momma. People say it if the conversation keeps going and you get bored so you say it at random. You can also use it in insults
ex. 1
Bob:So i got some coffee and i went back to my room and there was a caterpillar on my desk! amazing don't you think?

Bill:Your mother.

Ex. 2
Frank: What was the main thing you did at that party last night?

Joe: Your mother.
by peaceman76 October 14, 2008
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A fat slut that no one cares about and can also be used as a comeback
Johnny: you're so gay
Jacob: like your mother
by WentOffsale June 15, 2019
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The more formal way of sayingYo Mama”.
Your mother is so fat that when she jumps she looks like a flesh colored probe.
by N.O.V.A May 2, 2021
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