(noun) a small, enclosed space in a recording studio (similar to Superman-style telephone booth). Usually used for recording vocal tracks, for separation (sound-proofed).
A state of being in which a person does what they want, doesn't give a fuck about any other shit going on, and knows that they are being booth.
The process of acting this way is known as "boothing".
"Did you see that guy walking down the sidewalk? He just punched a guy in the jaw for walking into him!! He's being so booth."
"Yeah, I saw that. He's boothing like a motherfucker."
Booth the name of a peacekeeper, it is used to call people who openly admit there bad points and this is generally why people like them. As well as the fact that they are peacekeepers that can solve most arguments and problems.