by A Stalker Called Vadim August 16, 2021

Ur mom jr means your mom junior, This word can simply be used in different ways for example..
Karl: Hello! What was your lunch today?
You: Your mother junior.
Karl: Hello! What was your lunch today?
You: Your mother junior.
Ur mom jr.
by urmomdoesntloveyou December 4, 2021

by SUCKMYCOCKBIIIITCH July 4, 2018

Bill: hey man! ur mom gorgeous
Joe: Hey, thanks bro, I needed that
Bill: April Fools lol
Joe: *dies*
Bill: ha ha lol
Joe: Hey, thanks bro, I needed that
Bill: April Fools lol
Joe: *dies*
Bill: ha ha lol
by ( ͡° ͜ʖ ͡° ) May 24, 2018

by mobambahasenteredthechat June 23, 2019

Ur-Mom-itis is a common disease spread by Anthony 101 (you’ll have to get this joke only if you read Anthony 101) To get rid of this disease, Anthony 101 needs to say “Ur mom!” Three times willingly.
by Haters_gonna_hate_on_me February 5, 2019
