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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to attack someone verbally; to gossip about someone.
Please don't tool on my family! • Tom keeps tooling on Jennifer, and she is really mad about it.
by conjuror1 November 11, 2009
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(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 9, 2011
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The act of getting used. Unintentionally doing something that someone else gets credit for.
Igor just stole your idea and won the contest with it! Boy, you got tooled!
by T-Rav January 22, 2005
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An individual who behaves in their own self interest rather than adhering to a set of beliefs or morals. Someone who will act as though to seek approval on the outside, but is actually quite vain and selfish. Men of this variety tend to cheat on their girlfriends. Women tend to use men to obtain free drinks.
God, Brett is such a tool.
by redwikiwine September 10, 2009
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Typically a male, a tool is someone who needs a huge wake up call. They think they are God's gift to the world and will do the dumbest things to attempt to impress people, most commonly girls. Girls will laugh and this will lead this guys to believe that they are laughing because they think they are cute...but really, they are laughing because they think they are idiots. Tools also have the tendency to play with a girl's heart and not care because they think they are "hot" and can get away with anything. They may be attractive on the outside, but on the inside they are anything but.
Guy: Hey ladies, welcome to the gun show.
Girl: Wow, you're such a tool.
by thesarcastictruth July 6, 2011
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To make a fool of or mess with someone; confirming that one is a tool
Me: Hi your four shirts all on top of each other with popped collars look awesome.
Tool: Yea I know. All the cool kids are doing it. Also bitches can't resist the popped collar. I'm getting laid tonight. *high five*
Me: I was being sarcastic. No one is gonna want to have sex with you. You look very silly. I was totally tooling you.
by shmaters gee April 12, 2009
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