an insult targeted towards another persons mother.
idiot: insert insult here
other idiot: YOUR MUM!!
by Joey June 13, 2003
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a phrase used by skallywags to cheek anyone about anything
ye wicked bo!, my cars is bad boy racer action on the 7, not like yours, yours is like YOUR-MUM!!
by jef April 23, 2004
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1. The woman who gave birth to you
2. Attempted insult,or come back, normally from a townie , normally pathetic, normally not very insulting, normally making little or no sense.
1.... explains itself doesn't it?
A)Townie: Are you Jack Osbourne?
Me: No, my name's Chaz
Townie: Your Mum's Jack Osbourne!
B) <townie is standing in middle of path so people cant get past, cos he's such a badass>
Me: can you get out the way please?
Townie: <leaving quickly> your mum for men!
by Chaz April 17, 2004
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A typical childish insult from teenagers 11-16. Sometimes, because they've got nothing else to say, or because they think it makes them look 'big'
E.G. 1:

Jenny: *Yawn*

Shane: You tired?

Jenny: Yeah.. a bit.

Shane: Well your mum wasn't tired in bed last night!

E.G. 2:

Jenny: You're so childish!

Shane: No I'm not, you motherfucking whore.

Jenny: Prove it then, cuntfaced frog featured toadostical moronized mong penguin tatoo moose!!!!

Shane: ...Ok? Go fuck your mum, slut.
by Mongifed June 12, 2008
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A useless insult used when losing an arguement (see: "can-you-get-out-of-my-library", and "schoolpolicy")
Max: "your gay"
Josh: "yourmum's gay"
by Josh March 13, 2003
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Contrary to the above suggestions the term "your mum" is not actually officially an insult. In fact, in many situations it can be seen as a very honourable compliment. For example, if someone calls your mum a "hottie", you can revel in the knowledge that you were first out of all your friends to be in her (provided none of your friends have entered her previous to your birth, might be best to check first). Additionally, your mum might be called "loose" and a "fucking slag" which are street terms for being a good listener.

However, there are certainly usages which can be deemed offensive, as we can see below in the examples. In fact, the British government in the "Your Mum" parliamentary act of 1923 split the term into 5 classes. Use of a level 5 can lead to unlimited fines and/or a prison sentence of 20 years. Community service for a level 4 usage is compulsory, servicing 40+ year old mums to 'keep them fresh'.


The term was first coined by early Christians after the Bible story in Bernard 3:19 in which Jesus is still a teen and beginning his forages into carpentry and the bush. In the account he is bullied by a gang of locals nicknamed 'The Disciplz', who continually shout abuse and throw pasties at his knees . Eventually, Jesus tires of the pastry-related insults and hits back with his best friend Foreskin, cornering the Disciplz and threatening them with a badger. His tormentors are reluctant to repent until Jesus speaks the most momentous words that possibly the whole world has ever heard...

"Your mothers are all very much like the Romans. They are strong, valiant and innovatice, and they all wear skirts that show their willies."

In the story the Disciplz immediately fall to their knees and pledge allegiance to Jesus, scratching their elbows with shortcake as was the age-old tradition and not leaving his side for 20 more years, even to go to the loo.

Inevitably the usage grew from that point but the term has been somewhat tainted by popular culture and Richard and Judy. We can only pray that those who use it correctly shall be rewarded with the "Second Coming (Of Your Mum)"...
Level 1 - Much favoured usage in the Western world

'Your mum has a massive cock and I am going to stick it in my mouth and inflate her already huge

Level 2 - A passable compliment

'I would love to take your mum out sometime and penetrate her, if that is ok with you'

Level 3 - Risky, preferably used behind closed doors

'Your mum likes chocolates because they are the same colour as my poo'

Level 4 - Offensive and nasty use - would make me cry

'Your mum is an idiot. She has the IQ of an elf.'

Level 5 - You must be a mental

'Your mum is a M*ll*rd Duck'
by Ludovig January 25, 2007
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