refering to ur mum, can lead into sentences like ya mums ass ya mums penis ya mums boobs
Ya mums so fat that when she jumped into the pacicfic ocean it became the pacific dessert
by Mr. wank September 27, 2006
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i had meat ball for lunch..
ya mum ate my balls
i hade sex with ya boyfriend...
ya mum did
by ya mum November 19, 2003
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Commonly used when someone bags you and you can't think of anything to come back with!
Joe: G'day Bob, hows it hangin'?
Bob: Ya mum's hangin?
Joe: Ya Fat!
Bob: Ya Mum's Fat!
Joe: What did I do to do?
Bob: Ya Mum did something to you!

"Joe has logged out."
by Mr. Ownage April 6, 2004
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A phrase that is useful to include in insults when learning another language, so then you can insult people's mothers and they don't even know it.
puedo tenor sexo con tu mama en tu cama?
which is spanish for can i have sex with ya mum in your bed?
by veryspecialperson November 30, 2005
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A lame, but funny joke. Note that it's not an insult.
"Ya mum"
"Ya mum's mum"

"You suck"
"Ya mum sucks"
by Marbarian May 4, 2005
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one of the best insults EVER cause there rly isnt a reply insult. used when;
1)u have NO idea what the insult meant
or
2)u have no other comeback
3)u dont know how to answer the qn or cbf
1) Davo: omgsh look at the MINGER!!!
Julie: ya mum's a minger!
Bill: zing

2) Davo: Julie's ugly!!!
Julie: ya mum!!

3) Bill: oi, davo!
Davo: yeh?
Bill: what's the time?
Davo: ya mum
by sexii May 30, 2007
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