One of three things:
a. Device used to apply mechanical work.
b. The Band.
c. Someone that is used for another's gain.
d. A penis.
e. Loot spelled backwards.
Bob: Man, that guy is such a tool.
Jim: Yeah, which reminds me, I screwed your wife.
by TheCaffeineJunky December 12, 2006
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someone who is a complete idiot/ one who is used by other people, and usually dosen't even realize it/ someone who can't think for themselves/ an asshat.
People who wear huge logos on their shirts are tools.
People who listen to Avril Lavigne, are tools.
People who think Sum 41 is a punk band, are all tools.
by Anonymous April 11, 2003
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1) Somebody who is inept, stupid, or useless (adj.)

2) The greatest band on earth; composed of Maynard James Keenan, Adam Jones, Justin Chancellor, and Danny Carey. They were formed in Los Angeles in 1990.
1. Person One: Some guy put something funny in my drink, and when I woke up this morning, my anus was all bloody and squishy!

Person Two: You sir, are a fucking tool.

2. I'm going to a Tool concert today. Maynard is the awesomeness.
by Maltese October 17, 2006
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Someone who isnt liked and has no friends and trys to spit game and trys to be cool
by formeldahyde August 9, 2009
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An egotistic, self obsorbed, individual that feeds off of his friend's misery to make himself feel better. Basically a douche bag. (June 10 2009) 2:11 am
This fag Tools next to me thanks hes God's gift to women
by Metro Josh June 11, 2009
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someone who is so self obsorbed and cant come to the realization that they are completely in the wrong. This persons actions are so rediculous that you cant even believe the things they do.

in other words this person pulls many dick move , and thinks that everyone likes them when really not many people do.
Sean Avery is such a tool
(see youtube videos of him and his outrageous acts)
by hockey5 June 7, 2010
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A total douche-bag. Someone who lacks the brains to know that people use them. Guys who sit and fix their hair and tan.
That douche Justin Sartor is a total tool.
by The Ex :) March 24, 2010
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