Ur Mom. 

Ur Mom. Is basically... Anything! Ex.
Carter:Hi wanna go play fortnite?
James:No I wanna go play Ur Mom.

Carter Was on a date with His girlfriend. He said, "Hey Your Lookin Hot Today."
She Said,"Hey U look Like Ur mom. Today ( ͡° ͜ʖ ͡°)

(That's It Being Defined In A Sentence)

Ur Mom. by TheRrandomKitsune May 2, 2020

Ur Mom. 

uhhhh....Ur Mom....DUH!!!

Ummm...Ur Mom?Ho-kSo.........Bland meat!

Ur Mom. by Dev April 22, 2005

Ur Mom. 

A comeback to win every argument ever.

Person 1: Hey Joe what are you doing tonight?
Person 2: Ur Mom.

Person 1: Hey I have some leftovers do you want some?
Person 2: Nah, ill just have ur Mom.

Ur Mom. by anonymous January 19, 2021

ur mom. 

a reply to litterally anything.

"Whatcha doing?"
"ur mom."

"Knock kncok"
"whos there'
"ur mom."

"Hi-"
"UR MOMM"

ur mom. by sunflowerseeds88q4854353nf August 12, 2022

Ur Mom 

My to do list

My Friend: Hey what do you have to do after school today?

Me: Well I always have a to do list left for me.

Friend: What’s on it?

Me: Ur Mom

Ur Mom by hahaha6161 March 4, 2020

ur mom 

How to win any conversation. Ever.

Person one: What are you talking about? Humans breathe air!
Person two: Oh yeah, well, ur mom
(Person one shoots him/herself due to the shame and humiliation)

ur mom by mikeharr163 January 25, 2017

Ur Mom 

That one word that you can not come back from a roast when someones says that to you!

Billy-YOU LOOK LIKE A DIRTY POPTART
You-UR MOM
Billy-His brain explodes*

Ur Mom by OKBUDDY February 14, 2019