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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 January 04, 2016
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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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