ur mum

a joke that 12-year-old boys use, and they think they're funny.

'ur mum'
nothing else, just ur mum

by big brain person <3 March 19, 2022

Ur mum public good

An even more devastating insult based on 'ur mum gay'. It's so destructive and intellectually stimulating, apply with caution.

Sam: "Ur mum is non-excludable and non-rivalrous, ur mum public good"

Valen: *Deleted from existence*

by Morganfr33farm May 29, 2018

ur mum

slag

ur mums a slag

by urmumsbighole December 29, 2021

Ur mum

Ur mum gay

Ur mum gay

by Mrbunz January 3, 2019

Ur mum gay

Commonly used as an insult during fights

Kevin: Ur mum gay
Steve:No u

by Big bob who’s mum is dead January 19, 2020

ur mum

ur mum

person1: *insert awkward question or conversation*

person2: “ur mum”

by Har Har Cowface August 11, 2022

ur mum

well duh it is ur mum what else were you expecting.

Timmy: can you come to my house after school?
you : no

timmy : why

you: UR MUM

by good peoples July 29, 2022