This is a term like lol or brb or any of the other billion or so abbreviations and acronyms created by instant-messenger patrons too lazy or busy multitasking (ie: watching porn) to actually type a word longer than 4 letters.
Sexi_chick43:mi comp is scr3wed
by Fox April 16, 2005
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Short for computer or also can be short for competition
I have a big snowboard copmp next week
by generikal.com April 27, 2003
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(v) The act of taking something that isn't yours, usually in a discrete manner.
"Shit! I just realized that guy comped my lighter earlier."
by dlundy July 11, 2008
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Comp is short for "Competitive", a game mode in Counter-Strike: Global Offensive. Two teams of five play as terrorists or counter-terrorists and compete in a best of 30 rounds where the terrorists attempt to plant a bomb while the counter-terrorists attempt to repel the terrorists away from various bomb sites.

Players are ranked based on an elo system, from Silver I to Global Elite. It is every counter-strike player's worst nightmare to be placed in Silver I.
A: Hey bro, wanna comp?
B: Not now man I don't want to lose my rank because of you
by Gluteuszebra April 27, 2016
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a cigarette usually bummed from friends, most often by friends that smoke more than they can afford or are to cheap to buy there own
hey bro can i have a comp?
by thebuttress June 20, 2011
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