tom:your a dick
jim:so is ya mum
by oj March 14, 2005
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Ya mum is commonly used as an irrefutable comeback when properly used. The result is best if it implies something to do with the insultees mum being sexually active. Being females the results are funny as we dont REALLY like ya mum.

(Works best when a straight female says it to add confusion)
e.g

Davo: Hey cockhead.
Bobbio: Your mum likes cockheads.

or

Davo: What were you doing on the weekend?
Bobbio: I was doing ya mum doggy style.

or

Davo: Oh My God! I was so excited.
Bobbio: Ya Mum was excited, when I shagged her!
by Sarah And Kitty April 28, 2006
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this is a sensitive call, if you say it to the wrong person, you can die. alright?!? ALRIGHT?!?!?!
"oi shut up"
"ya mum"
...
"MAMUMSDEAD!!!"
by sickmad beast February 23, 2010
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Me and ya mum are going to look at some walruses at the zoo.
by Bowen Zhu May 12, 2008
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Ya Mum is a good pay out and makes people go SILENT
Ben- Ur Gay
Billy- Ya Mums Gay

1- Go away u Homo
2- Thats not what ya Mum said

Ben - Where were u last night
Billy- In YA MUMS bedroom suckin her cock!
Ben - WHAT!

1- Dont pay ot me Mum
2- Im Not im just sayin shes good at it!
by funny one here September 20, 2007
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1. Self explanatory. Your. Mum.

2. The ultimate standby when unable to think of an insulting comeback.

3. Or, for the ultra-dumb, s phrase used commonly throughout the day for absolutely no reason.
1. "Who's on the phone?"
"Ya mum again."
"Damn it."

2. "You're a douchebag!"
"Ya mum is a douchebag!"

3. "Hi."
"Ya mum."
"How's it going?"
"Ya mum."
"What day is it?"
"Ya mum."
by ya mum. November 23, 2006
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