Slang for tired.
in need of sleep or rest.
bored with.
(of a thing) no longer fresh or in good condition.
(especially of a statement or idea) boring or uninteresting because overfamiliar.
"Dude, after staying up till 3 last night I'm feeling bunk'd."
Usually used the drug world. To be sold a "bunk" or fake product under the impression it is quality.
"Awwww man, the flap of heroin I bought isnt even heroin at all. Its hardened, dried out bread crumbs. I can't believe I got BUNK'D. That was my last ten dollars"