person 1: do you see that blue tool over there, the one sitting down, not doing anything but still using their headset?  person 2: yeah
a person who uses their blue tooth headset when unnecessary, or leaves attached in ear when not having a conversation
"person 1: do you see that blue tool over there, the one sitting down, not doing anything but still using their headset?  person 2: yeah" What is the definition of "blue tool"?