YM

-Shortened version for Your mum or Ya mum or any other words of the same meaning
-Used to annoy other, often sarcasticly but can also be used seriously
-Can be used in any way, even if it doesnt make sense

Adam: That was awesome!
Tim: YM was awesome last night...
Adam Huh? shut up u prick
Tim: YM likes my prick...

by Fate-UK June 15, 2006

ym

Ym is a shortened way of saying/typing "your mum"

Guy 1: Ym.
Guy 2: What the fuck does that mean?
Guy 1: Your mum.
Guy 2: Your mum!

by myym February 14, 2009

YM

Yes Mate

Used to express excitement or agreeing something/somebody.

"Are you going to the party tonite?"
"YM!!"

by A625 May 3, 2010

YM

A magazine written for teenage girls. More commonly refers to the website YM.com, featuring an extensive forum populated by underaged teenage cunts incapable of forming opinions of their own and commonly unable to carry conversations that range beyond the intellect level of "OMG my boyfriend dumped me!"

"Are you a YMer?"
"Most YMers are functionally illiterate."
"I have never seen a more poorly designed forum than that of YM.com"

by Amberica August 14, 2006

ym

Short for Yahoo Messenger.

*Do you have ym?
-What?
*Yahoo Messenger?
-Messanger, yes!

by Sacglu April 15, 2008

YM

"Your Magazine," a magazine written for teenage girls. More commonly refers to the website YM.com, featuring an extensive forum populated by underaged teenage cunts incapable of forming opinions of their own and commonly unable to carry conversations that range beyond the intellect level of "OMG my boyfriend dumped me!"

"Are you a YMer?"
"Most YMers are functionally illiterate."
"I have never seen a more poorly designed forum than that of YM.com"

by Amberica August 15, 2006

ym

A stupid website with a gay forum run by a bunch of braindead ugly little cunts where the only knowledge they get is by googling the answer to "How to give a handjob"

RATE ME PLEASE! you must be from ym.
OMGZ am I prego? Let me guess, you must be from ym.

by luna408 April 16, 2008