a way of paying out someone and their mother. good phrase if you have a bad vocab.
Augustus: What are you doing up so late brother?
Bartholumew: Ya mum.
by Maddizzle May 26, 2004
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Person 1: You're blocked!
Person 2: Ya mums blocked!

Person 1: What you doing?
Person 2: Ya mum!

Person 1: Where's Tom?
Person 2: Where's ya mum?
by BaybeeMegziieee--x December 24, 2007
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1.) The universal comeback that cool people use.
2.) What I did last night.
3.) Popular schoolyard taunt.
Loser: "You SUCK!!"
You: "Ya mum sucks."
Loser: "That was uncalled for."
You: "Ya mum was uncalled for, but she still came... last night!
Loser: *shot down, butthurt.*
You: *Awesomeness.*
by PerfectPudding December 5, 2007
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Usually used as a comeback when you have nothing else
When you ask ya mumma whats for dinner she opens her legs and says TUNA SURPRISE!!!!!!!!!!
by RAnnaR February 9, 2006
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An insult when someone is annoyin u
dont av a cow YA MUM already had one
by jennifer robinson December 5, 2003
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the worst thing to say in the entire universe
WoodMorning7: ya mum
Pumppartymac: PRISON
by hybrid_eeee May 8, 2021
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The answer to every question, and many a witty joke can be made with this!
Person: What are you doing?

Person2: Ya mum

Person: That joke's so old and boring

Person 2: So's ya mum!
by Hev15394 March 20, 2008
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