Comes from Hebrew.Comes either as a truth tester,truth indicator,or a convincing method.
originally Said: "Be(in) Ima(mother) Scha(yours)".the source of this phrase is in the sentence "I Swear in my mother" or "Do you swear in your mother?"

as an indicator:
"I didnt Break the Vase! in my mother!"
as a tester:
Joe:Who ate my Cookie?
Jeff:It Wasnt me!
Joe:In your mother?
as a convincing method:
Gimme a Shekel! in your Mother!
by Nadav Nuni August 31, 2007
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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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1.)A phrase said to another person when there is nothing else to say.
2.)A mean comeback to a person.
Sare:"What are you doing tonight?"
John:"Your mother."
by Muuuuuurayy. February 8, 2010
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The most hidious monstrosity the seven hells has unleashed upon this world to consume us all and send our souls straight to hell to be Satan's urinal.
Damn man, your mother is self explanatory.
by Your Momma In A Two Piece December 14, 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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