look up anything, like your first name:
1. Yer Mum
A common British variation of the American idiom 'yo momma' - usually used as a retort when one is insulted.
"You're such a big bell"

"Yer Mum's got such a big bell, I know 'cos I let it penetrate my ass."
by Tom Preston Sep 2, 2004 add a video
2. Yer Mum
One annoying line invented by Tony Walsh (aka TDW) which was variation of yo mamma but with an British style to it. It also makes you feel like an idiot saying it as well.

Also managed to appear on Kerrang's Trash Idol.
Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum! Yer mum!
by Chris Ridsdill Nov 21, 2003 add a video
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