meth b. i.
(noun) A general term for the police/authority figures a paranoid meth addict thinks are watching him. Can be fictional or true. Similar to f.b.i.
Methhead: Hey, I think that car is following us!
Methhead sober friend: You're trippin', that's just the meth b. i.
Methhead sober friend: You're trippin', that's just the meth b. i.