ur mom

used as a method to abort a heated argument when you have no comebacks left. most popular on XBox live, where it was founded.

Person 1: "3 dollar hairline"
You: "ur mom"

by Pangcheng May 27, 2021

Ur mom

Someone who has fucked me.

Hey, I just came back from your house and I just did ur mom. ;)

by JaKhaki_Twin December 21, 2020

Ur mom

A comeback or roast people use when they're irritated, trynna be funny or sarcastic.

Mike: Who took my phone?
Jake: Ur mom!!

Other people: ohhhhhh roasted!!

by Mikayla19 February 27, 2017

UR MOM

what I did last night

hey me and UR MOM hit it off last night.

by thebest_sourpickle September 1, 2022

Ur mom

The two words who rule them all

Person 1:ur mean
Person 2:ur mom
Person 1:(dies)

by Totally_Dbangz October 12, 2020

ur mom

wowww ur mom do be fat tho

haha ur mom

by Lundennn September 10, 2020

ur mom

a really attractive person that was in my bed last night

person 1: hey, who was that making so much noise in your room last night?
person 2: ur mom

by urmomsdirtyslut August 9, 2021