Ur Mom

a big object that is as big as 2.5 whales, 5 suns, and 3.597 piles of earth
And is your mother

this is commonly used as an insult

a man: Wow that thing is big as Ur Mom wooow!
The other Man: Wow I hate you stop

later
A Man was slain by The other Man.

by Racercooper November 10, 2021

Ur mom

A comeback that works for everything

Dude youre so bad at life!
ur mom is bad at life.

by UmmTheUsernamesAreAllTaken January 9, 2016

ur mom

Use when someone is asking you a nosy question or just something stupid as hell.
Reminder: never say this in front of a person who does not have a mother.

SARAH: Hey, whatcha guys talkin' about?
ASHLEY: ur mom.

by Stephie Thong February 27, 2003

Ur Mom

The thing that manufactured you.

Also a comeback.

guy 1: Dude what made me?
guy 2: Ur mom

by Turtles_ January 28, 2021

Ur Mom

Something Carl Wheezer tells Jimmy when he asks who Carl wants to fuck and suck

Jimmy: Who do you want to bang

Carl: *Vapes* Ur Mom

by Missionarydog69 November 7, 2019

ur mom

A universally acknowledged comeback superior to all comebacks. It can be used in a sentence, or by itself as a phrase.

Doctor: You have chlamydia.
Patient: Ur mom.

Enemy: You look like a dumpster fire.
You: So did ur mom after I fucked her senseless.

by Bubblecove106 September 22, 2019

UR MOM

Defenition 1: This word can replace a noun, if done correctly.

Defenition 2: If one can't think of a cool come back. This is the phrase to use.

Guy 1: "Whoa! U made cool sound effects with that paper bag..."
Guy 2: "UR MOM makes cool sound effect!"

by Kevin N' Kyle and Company May 1, 2005