Ur mom 

An expression used by Gen-z's as a joke about the other person's mother

Friend: What did you do last night?
Small child: UR MOM

Ur mom by Dela_Draws;) April 23, 2023

Ur Mom 

The greatest comeback in history.

"what are you going to do today?" Then you say "Ur Mom"

Ur Mom by MrCoolMan1414 May 4, 2023

Ur Mom 

The biggest comeback in human history.

"Hey what are you going to do today?" Then you respond with "ur mom!"

Ur Mom by MrCoolMan1414 May 5, 2023

ur mom 

i did it

im doin ur mom

ur mom by jeelly May 8, 2023

ur mom 

being gay when u roast someoe

ur mom is so fat

ur mom by avra354 May 11, 2023

ur mom 

When you have nothing else to say in an argument

bro you’re so fat

YOUR MOM IS TOO

ur mom by Sub to FangPlaysGames May 15, 2023

ur mom 

ur mom refers as a comeback or a slur to some people. You may use "ur mom" as referring to your actual mom, or you may refer to "ur mom" as a sort of comeback when someone asks you something and you don't really know what else to say besides, "ur mom" lol hehe.

hey ur mom is over there!
hey what's up? ur mom hehe

yo, why are you so ugly? nah I'm not, but ur mom is..

ur mom by PumaCoco July 3, 2023