tool 

someone who constantly cheats on their significant other, can be male or female

my friend was dating this guy, and one night he and my friend's best friend were hanging out and ended up having sex. my friend broke up with him when she found out and then he and the best friend started dating. until he cough the best friend making out with is best friend in the school library. the guy and the best friend broke up

both the best friend and guy are tools

tool by shortyAJ February 27, 2011

tool 

A German girl that thinks she's a boss but is actually the biggest tool you could find in the Third Reich. She often finds herself stuck in waist-deep situations such as getting herself stuck in waist-deep snow. She has certain fob aspects to herself as well, a common trait is the Ben Wang face.

Person 1: You see that chick on the snowboard complaining about how sports check ripped her off for her snowboard repairs?
Person 2: Yeah
Person 1: Vwhat a tool
Person 2: agreed

tool by Hamtarooooooooo March 7, 2011

tool 

One who wears cut off shirts, gold chains, and has no concern for anything except lifting weights and trying to impress everyone with unimpressive feats of strength.

Griffin Marr, a tool.

tool by ACM100 June 6, 2011

Tool 

Whereas, tool used to mean:
One who lacks the mental capacity to know he is being used. A fool. A cretin. Characterized by low intelligence and/or self-esteem.

It is more commonly used by sad people to describe happy people.

Wallflower: hey dude, look at that guy doing the macarena with that chick. Look at his stupid smile.

Wallflower 2: Wow, what a fucking tool. What she doing hanging out with a guy like him? What a DORK.

Tool by koobz June 8, 2011

tool 

Someone or something that is used by others. A guy who's brains turn to mush when around girls. Cody Simpson.

Cody Simpson is the biggest tool I've ever seen.

tool by Anonymous359 August 31, 2011

Tool 

1. Someone who tries too hard.
2. Typically a poser.

3. A fake person.

4. Someone does things to impress people other people
5. One who tries too hard to ingratiate themselves to others, in order to be liked, or to get votes.

Tyler is such a tool he is drinking a Frappacino!

Tool by alexthetool June 13, 2011

Tool 

1. In general, people named Lucas
2. An objject or implement that has no mind of its own and is used to serve a greater purpose

1. Lucasis taking me to another movie,his tab
2. a drill is a tool

Tool by SaFire2342 July 9, 2011