Ur mum not cool

It means ur mom not cool

Jimmmy hey Ron ur mum not cool
Ron No u
Jimmy fucking dies

by Nooblegend2769 May 7, 2020

Ur mum

Insult which has no meaning inside ur bum if u want cocaine sex soz I can’t help u but I sell weed at www.childcaptivity.com so come get some pornos

Alex:ur mum

Ur mum: no ur mum! Cos ur mums dumb! Cos she didn’t know what I did to ur dad yet!!!

by Slnkythemadnman December 29, 2019

Ur mum

A joke that nobody likes

For example Aiden: Ur mum
Everyone: nobody cares

by KaylaYT February 5, 2022

ur mum

is bri'ish

""ur mum is cool"

by yurii₊˚✩彡 October 17, 2022

ya mum

a really bad comeback; what you say when you have nothing else to say

person 1: what are yu doin ?
person 2: ya mum

by anonymous4353785 March 6, 2009

Eat a mum's potatoes

When you suck on a single mum's arsehole that hard her hemeroids pop out so you give them a chew.

Went to Jenny's last night to eat a mum's potatoes last, they were extra juicy.

by Kjabber February 25, 2024

Ur mum

Just simply ur mum.

Person1:ur mum?
Person2: agreed.

by Ur mum 🦒afraid? I know 🦒🦒🦒🦒🦒🦒🦒 April 29, 2022