Ur MoM

Ur Mom means that you had sex with their mom leaving them concerned and confused.

Them:What were you doing last night.

YOU:Ur MoM

THEM:what the !@$#!

by NASCAR guy September 30, 2023

ur mum

The ultimate insult that can work on anything just by slightly altering someones sentence with 'ur mum' .it can also be written as 'ur mom'.

person 1: "you're fat"
person 2: "ur mum is fat"
person 1: "that insult is so unoriginal"
person 2: "ur mum is so unoriginal"

by The Epicster May 3, 2020

ur mom

THE ULTIMATE COMEBACK

Person 1~ "you are ugly!"
Person 2~ "ur mom"

by ANIMEBITCH1 April 18, 2022

Ur mum

This word is used among the coolest of the coolest people. If you are trying to make a joke funnier then this is the word for sure! This will also get you a date to a court for sure!

Person: hi

Person 2: ur mum

Person: hahahahahahhaha

by I Love Loki08 June 10, 2021

ur mom

(this is a joke) someone that needs doing

Joe: What happened to my mom?
Ethan: ur mom was done because he needed it

by ewkvgnhrew February 16, 2022

Ur mom

It's XBOX 360's kid most loved sentence. He does it all.

"I did your mom last night"

by Vystriah January 23, 2022

ur mom gay

used as a roast for middle schooler boys

kid 1: ur mom gay
kid 2: ur dad lesbian
kid 3: ur granny a tr8nny

and so on

by billybillybilly69 February 22, 2021