by Zina December 13, 2006
slang; meaning wack or extremely strange, originating on a low rent island in Maine. For some thing to be bunk it must make you want to cry laugh hysterically or most commonly; run for you life.
Ex: you live in a basement on the island down stairs from Bill Green’s kid and a half goat… wow that is bunk
by T-mack 1 February 10, 2010
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