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Tool: (noun)

1.) A guy with a hugely over-inflated ego, who in an attempt to get un-due attention for himself, will act like a jackass, because, in his deluded state, he will think it's going to make him look cool, or make others want to be like him. The person may even insincerely apologize later on, but only in an attempt to get more attention, or to excuse his blatantly intentional, and unrepentantly tool-ish behavior.

2.) Someone whose ego FAR exceeds his talent, intelligence, and likeability. But, of course, he is clueless regarding that fact. He erroneously thinks he is THE MAN!

3.) Someone who others normally refer to as a prick, dick, or schmuck.

4.) Someone who acts like a dick, because...well...he's compensating.

5.) Kanye West
Example:

Observer #1: Hey, did you see Kanye West's idiotic stunt at the awards show?

Observer #2: Oh, you mean, "Mr. It's-All-About Me?"

Observer #1: Yeah...what an asshole.

Observer #2: I know. He's such a tool!
by Hilo, Hawai'i September 17, 2009
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2
One who lacks the mental capacity to know he is being used. A fool. A cretin. Characterized by low intelligence and/or self-steem.
That tool dosen't even know she's just using him.
by tt February 18, 2003
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3
That guy who makes us shake our head in disbelief but at the same time makes us feel better about ourselves since we are not him.
"Jake just spent $80 buying those hot chick shots and then they walked off with those other guys!" "He's such a tool!"

by toolguru October 23, 2007
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4
(n.) - an individual who willingly changes his or her behavior for personal gain or profit. In this context, a tool is similar to a poser, with one important distinction. Because a tool does not consider his actions beyond rudimentary cost/benefit analysis, he or she will often be co-opted by corporations or powerful interest groups to support the lame or corrupt positions held by these organizations. A tool therefore, is quite literally an instrument of the man.
by Kenny Genius February 08, 2011
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5
An individual (typically sheltered white suburban kids from upper middle class families) who feels that they need to follow all the latest trends and fads religiously, and pretend to be someone they're not in order to be accepted by others, making themselves look like complete idiots. Similar to sheeple.
Tool: "I was camping outside the apple store the night before the latest Iphone release, and my man-bun fell out, so I had to put on my fedora #badhairday"
by A WHITE GUY June 13, 2017
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6
My, and a whole wack of others favorite band.
An awesome band who redefined many genres, and made many bands look like crap. Lead singer also in A Perfect Circle, another awesome band.

Its true about not being able to compare tool and apc AT ALL, but i do find this quote quite humorous:
"hey, listen to this A Perfect Circle record, its like tool without the anal sex"
~Who ever wrote that is awesome, although I completely disagree, but its still funny.
This unbelievable band consists of:
Adam Jones on guitar,
Danny Carey on drums,
Justin Chancellor on bass,
Maynard Keenan for vocals

Albums:
1992-Opiate
1993-Undertow
1996-Aenima
2000-Salival
2001-Lateralus
"Oh my god!! Tool is definitly the (or one of) best band(s) of all time!!!"
"Most Emo should die. Along with every 'nu metal' band that is destroying the music industry. Oh, pop can be removed too."
"Half the population of tool lovers also love Nine Inch Nails, and A Perfect Circle, but they're not for everyone"
by Alaska October 19, 2005
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7
1. A person who tries too hard to fit into the mainstream idea of cool. Common identifying marks of the tool involve tattoos based off of a professional wrestler's tattoos, yellow cars with spoilers and the insistence to listen to bad music, i.e. Usher and Our Lady Peace.

2. Carson Daly.
I had to endure the entire night with that man, he's a total tool.
by Mikey James. June 19, 2004
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