look up any word, like donkey punch:
 
8.
X-P
X-P or XP or X^P is the text face (like :) and others) representing anger and sticking toungue out which other smileys only show either anger or silly sticking toungue out
SCREW THEM X^P
i hate you X-P
by ∞♂¹©•13 March 04, 2008
 
9.
XP
An emoticon that is used to portray either laughter or death. For this reason, it is extremely ironic and often creates confusion between texters.
Max: "Carmen just fell off her bike! XP"
Landon: "Oh my gosh! Is she okay?"
Max: "Whoops my bad the XP was a laughing face this time!"
by Maccat9 August 10, 2014
 
10.
XP
The International, Universal, Inter-galactical emoticon face of Constipation. Can be used in place of the words, constipated, constipation, constipate.

Commonly misinterpreted to be:
A) laughing-with-tongue-out
B) a version of Windows

Misuse can result in disgust and confusion.
Correct use:

Person C: "Hey, how are you today?"
Person D: "I'm pretty good. A little XP"
Person C: "Oooh, damn. Want a Laxative?"
Person D: "Thanks that would be awesome!!!"

Misuses:

Misuse 1:

Person X: "...then she told this joke and I was all XP!!!"
Person Y: "Ew, you're Disgusting!!!" *Pukes*

Misuse 2:

Person X: "Hey, what's your computer on?"
Person Y: "Windows XP"
Person X: "Ouch. I know the feeling, man."

Misuse 3:

Person Y: "I wanna make you XP"
Person X: "Excuse me???"
by Goodness June 21, 2007
 
11.
XP
An emoticon for a sneering face, ie "You're an idiot!"

Also the name of a Window's operating system, ie "You're an idiot!"
by Hippy on a Bicycle October 22, 2003
 
12.
XP
Dead face used on Msn!
Girl 1: Woah, Look at that 6-pack
Girl 2: WOAH **Dead** XP
by SykesIsTheSex March 12, 2012
 
13.
XP
The latest operating system to be conceived by Microsoft. XP is short for experience.
"TheMann can't afford to buy XP, it seems his rusty trombones are cheap."
by pro-nun-see-A-shun January 01, 2003
 
14.
XP
Short for eXtreme Programming: a software development methodology that favors small teams and an iterative, design-as-you-go approach.
We use XP in our software shop.
by slonob February 01, 2004