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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
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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Microsoft windows xp one of the most successful operating systems to date
i want xp on my computer because windows 11 sucks
by vetriton December 21, 2016
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An emoticon that signifies "laughing really hard while sticking out the tongue."

See also: XD
P1: Crab Cakes.
P2: omgwtflol
P1: XP
by hfs May 16, 2003
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1) An emoticon, with ones eyes crossed and tongue sticking out. Obviously this means "retarded."
2) The most recent edition of the Windows OS, recognizable by the GUI that looks like it was made by Playskool, and the code that was probably written by same. The OS was named for said emoticon.
3) Short for Experience in many RPGS. Variant of EXP.
"Delete XP and install Slackware, dipshit."
"You need 100 XP for a level."
by JiaXue September 15, 2003
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An abbreviation for 'experience' in the context of role playing games, usually given in a point value and used to determine a character's level.
Damn, killing that Farastu Gehreleth last session gave me 6000 XP! That puts me up to level seven.
by Grimrider November 27, 2002
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xP is usually used when texting sms's or mail's to say that you are kidding about something,that you did something better than your interlocutor... xP
Person 1 : I got 8 on my Maths test...
Person 2 : Well,I got 10,as I was studying all night long... xP
by simply_adorable July 31, 2009
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