mum effect 

The Mum effect is when you get a girl/guy's mother to have a crush on you before the girl/guy themself.

"Hey dude have you and Mary hit it off yet?"
"Nah mate but the Mum Effect is in full swing"

mum effect by badgerbumder7 April 10, 2017

Mum is a bitch because she doesn’t like Ebit Lew 

Mum is a bitch because she doesn’t like Ebit Lew

Mum is a bitch because she doesn’t like Ebit Lew

Mum is a bitch because she doesn’t like Ebit Lew by sdinaz October 23, 2023

mum gay 

when someone is being the big gay, insult

Joe- I like god
Bob- Than you are mum gay, gotcha bitch
Joe- No you

mum gay by China is not ok February 3, 2018

Mum Mum 

Very prude old woman with an ugly living room. Bam and Jess Margera's grandma(Phil and Don Vito's mom).

"I bet you 'test drove' a lot of 'cars.'"-Mum Mum, Viva la Bam

Mum Mum by Lindsey February 14, 2004

mum proof

A way of talking so that your mum doesn't know what you're on about.

Bwoi: "Yo momma, me is goin' down St John's wit mi posse, hang out an shark da-day."
Mam: "Errrr ... half past two?"
Bwoi: "Ehh!! Mum proof!!"

mum proof by Lord Ass July 2, 2005

mum and dad 

When two of your friends finally get together and they become the Mum and Dad of the group.

It usually means they are a very wholesome couple.

You and Becky are Mum and Dad!!!

mum and dad by Wholesomeshitposting May 26, 2020

Mum Bum 

The flattening and/or widening of the ass after child birth...

"Oh Look at her...thats a real mum bum..." or "Look at her she aint got no junk in that trunk, she got mum bum"....

well look at the bums of some moms and you'll see what we mean.... it's very obvious!!(looks like you've spent the last 3 days laying on your back and your ass is flattened...)

Mum Bum by 420 PPL October 17, 2008