the british form of "ur mom", a overused comeback that is funny if used as a joke or your kidding when u say it.
British Person: I fucked ur mum!
b_i_t_c_h678: i have sooo much homework.
this1person923: ur mom has so much homework! OH! BURN! WAT NOW!?!?!?!
b_i_t_c_h678: wtf lol
The insult of all insults. When you're stuck and have nothing to say, just say 'ur mum'.
"This pizza is still warm"
"Ur mum's pussy is still warm...hurhurhurhur".
The apparent zenith of comebacks, used almost exclusively by 12-16 year olds.
Person 1: You sir, are a veritable nincompoop.
Person 2: ERR UR MUM LOL!1!
'I AD SEX WIV UR MUM LOL'
"ur mum" is not ur actualy ur mum but a person that represents ur mum
it is used when you are really stoned or dont hav a good enough come back
Jon: what does my cooking taste like?
Michael: ur mum
a phrase used by someone who has no desent come back or is just a bit of a retard
A: what you doin tonight?
B: ur mum!
1. A thing people say if you have a british accent and someone asks you a question and you're:
1B. insulting somebody
1C. acting like you have a british accent on the internet and insulting someone/are bored
2. A thing that retarded people say and think that when they do they're cool
3. The most amazing phrase in the world, as it has been here for so long and it has not died out.
John: "Hey, I went to the movies today."
Ben: "Huh. So did I"
John: "So what movie did you see?"
Ben: "Ur mum. >:D"
Joe: "You're such an idiot
Sean: "Well, ur mum's so stupid she climbed a glass wall to see what was on the other side"
dudelizard1337: "WAIT?!?!?! WHAT DID YOU SAY LIKES TURTLES?
awesomeguy01: "Ur mum"
dudelizard1337: "wait... is that a bad thing?"
(same as 1B)
Johnny in 1975: "Ur mum's so fat she played pool with the planets."
Johnny in 2005: "Ur mum's so fat she... I got nuthin..."
stupid insult used by dumass stoner townies when challenged by anyone
<cool person 1>"look at that dumass townie"
<cool person 2>"yeah what a kev
<cool people> "OI UNTZ
<townie> Yeah i did ur mum last night she was well fat and crap.
<cool people> oh arnt we original
<townie> aaaaha ur mum