Tool

1. (n.) One who lacks intelligence, and therefore is used by other people. One who is easily taken advantage of. Often lacking individuality and self-esteem.
2. (n.) A complete idiot, i.e. a douchebag.
3. (n.) A progressive/alternative metal band. Known for songs such as Lateralus and AEnema
4. (n.) An item one uses to perform a certain task.

1. "We need, like, 200 bucks. Let's call up Joe, that guy is an absolute tool."
2. "Look at that guy blasting Drake from his car. What a tool."
3. "Have you heard the song Bottom by Tool? It's awesome!"
4. "A hammer is a very common tool."