A fork of Rural Dictionary
Refers to a cigarette, usually smoked in the company of shady and/or gully individuals. The term "bwain" is derived from "bone", a more common and somewhat less grimy reference to cigarettes.
Shall we retire to the bwainsment for some sweet bwain action? Dude, I'm bwained out of my fucking mind. I am so fucking bwained right now.