It means that you are a person that is being used without knowing it. A person that concentrates on fitting in to a crowd and having others notice that he is a loser and a geek.
time is a best healing tool
An interchangeable tool refers to a tool that can be used in many different ways, to accomplish a variety of tasks.
A tool or instrument
Depends what you mean by 'tool'. Is it a new slang word used to describe persons?
its a medical tool which you can reanimate
its when your being used
It means tool.
You mean the jaw?
something very stupid
change directory
Mean
its a 2000