ur mum

Someone British trying to roast you, but it doesn't sound good because they can't say ur mom.

British person: Ur mum is weird.
Me: Stop trying to roast my "mum".

by oh um okkk April 9, 2021

Ur mum

A nice woman that will make you cookies if your nice.

Person1:who makes good cookies

Person2:ur mum

by Cookies12321 June 8, 2020

ur mum

fat

ur mum uglie

by big lando November 12, 2019

Ur mum

You and ur mum and ur family will get chop up you dumb tranny faggot shit heads

Ur mums a fat slag and I will chop her up

by English are trannys December 12, 2021

ur mum

The way to answer anything or start an insult, it's even better if who you're talking to doesn't have a mom or their mom is dead.

mainstream kid: Hey what's your favorite fortnite skin?
me irl: ur mum xdddd

kid: M-my mom is dead.... *breaks into tears*
me irl: tHaTs HiLaRiOuS *does fortnite default dance*

by Walaba September 29, 2018

ur mum

The most kiddish yet widely used insult ever.

"lmao i fukd ur mum"

by TheRothead December 24, 2016

Ur Mum Gae

If u are told this u instantly are picked up by Child Protective Services.

Student 1: Ur Mum Gae
Student 2: *Dies*

by мастурбация March 8, 2018