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

1. the person who gave birth to you
2. and insult

ur mom:
child: yo mama... OOOOOOOOOOOOH
child 2: stfu

by harderdaddyyy August 1, 2021

Ur nan

Ur nan slang referral to basically anything

Q.What did you do this Wednesday

A. Had sex with ur nan

by The skittle November 6, 2021

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

someone who is stupid

ur mom yeah she stupod

by joeismeans November 3, 2020

UR MOM

what I did last night

hey me and UR MOM hit it off last night.

by thebest_sourpickle September 1, 2022