a fucking way overused "joke" for 8-12 year olds in elementary and middle school/junior high.
Joe: "What did you do yesterday?"
Bill: "Your Mom!"

Josh: "Whats up?"
Jimmy: "Your Mom!"

Bob: "Who are you?"
Fred: "Your Mom!"
by TheDankMaster69 June 2, 2017
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Your Mom is the person I had sex with last night.
Your Mom, ask her.
by Ploofy 4 January 12, 2010
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Your mom, according to experts of psychiatry; is the fattest, ugliest, hottest, dumbest, most sexually active person in the history of the world.

Also a great conversation ender.
Ex 1:

Person 1: Hey dude, what did you do yesterday?

Person 2: Your mom.



Ex 2:

Person 1: So, Frank Macfarlane Burnet was an Australian virologist best known for his contributions to immunology. He conducted pioneering research on bacteri-

Person 2: Your mom.

Person 1:....

by YER FATHA January 6, 2009
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Ones female parental figure, oftentimes the target of puns.
Your mama so stupid that she threw a rock at the ground, and missed!
by Your mama, obviously. September 18, 2004
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Holy cow, i'm horny. Hey Phil, where is your mom at?
by mastamike January 9, 2004
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A joke used to be really funny. Most people get tired of it, but I don't. Some find it offensive, but it is a generic 'mom' we're talking about here.
Truth or Dare?
Dare.
I dare you to do.....YOUR MOM!!! hahahahah! (does victory dance)
by Your Mom (actually Zewt) January 31, 2004
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Woman who either 1) pushed you through her vagina or 2) had surgery to have you removed.
Your mom gave birth to you after going through 12 hours of labor.
by YourMomOnFour June 19, 2008
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