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2.
used to describe a shitty situation.
Alex: Someone keyed my car!

Jim: Bunk Sauce.
by petzzxyz September 22, 2008
 
1.
adj. When something is completely unfair or backwards. Often refers to quizzes, test, or homework that has nothing to do with what one is learning about in class.
"Dude, I just took that exam in math, it was bunksauce! I think Professor Smith pulled the questions out of his ass!"
by something good February 10, 2005