Yo mum generally used in yo muma jokes to offend the other person
Yo muma so small she can hang glide on a dorrito
by Azza da spazza November 3, 2015
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A person who hates you and would love to kill you
I was down at the nightclub and I was about to get a beer when my Mum said no you little piece of shit and slaps me (not my Mum does this but yo mum does)
by Thehalolover117 March 22, 2017
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Yo mum bqshjewweodsiacskd jdhlwdwdw afjksdwbewfdjsdqewqjscghw1j
qdcwghd2jesndashuwjadsyuqdshuaqwsudadchuqwhndx Yo mum
by sup bro cat August 30, 2019
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The worst insult a human can endure, once this insult has been said, it cannot be unsaid.
Zack: Ellis, have you eve...
Ellis: ...Yo mum gay
Zack: No! how can you say this?
*Zack dies in a burning inferno*
by Cardiff Lad February 13, 2018
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another way of insulting someone and to tell him to fuck off, mostly used by british people especially roadmans. i don't recomand telling this to someone outside of the uk he's prob just gonna laugh and u and bully you
guy: ayo pretty whats yo snap
girl: im not giving you my snapchat
guy: "suck yo mum"
by sheluvzslay3r July 17, 2022
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Guy 1: 'Step 1, roast the potatoes.'
Guy 2: *doesn't get it* 'YO MUM YE!!'

or

*akward convo*
Guy speaking: 'blah blah blah... so what about you?'
Other guy: 'erm... YO MUM YE'
Guy: '...'
*akward convo*
Guy speaking: 'blah blah blah... so what about you?'
Other guy: 'erm... YO MUM YE'
Guy: '...'
by Londos June 27, 2023
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