yermum 

1) One of the many phrases synomynous with the British chav due to their useage of the phrase.

2) A conversation filler or random answer to a question that is unknown, used in a mocking tone of the abforementioned chav

1) Chav: Inni man, like I saw yermum at MaccyDs da ova day

2) Normal Person 1: What's the date today?
Normal Person 2: Yermum

yermum by Slumping Silhouette April 13, 2006

yermum 

British version of yo momma

I had yermum last night. Good, not great.

yermum by Phinn October 7, 2003

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."

Yer Mum by Tom Preston September 2, 2004

yermom

as in who was done last night

dude 1: what did you do last night?
dude 2: yermom.

yermom by pete March 2, 2003

yermom

Slang for "your mom" which is the ultimate come back in any situation, but it is said so quickly that it sounds like one word.

-Damn, where'd you get such an ugly shirt?
-yermom!

yermom by Chelsea March 7, 2004

Yerbum 

Your bum, but in the context of a destination, rather than a body part.

Sally: What do you want to do tonight?
Mike: Well, I haven't been to Yerbum in a while...
Sally: Oh, you wanna go there tonight?
Mike: I love Yerbum. I'd go there every night if it was open.

Yerbum by What the? July 4, 2012

yermom

A popular and fun way to insult someone.

You suck man, but not as good as yermom.

yermom by d'z Nutz on Yo chin. March 11, 2003