A phrased used to politely tell a cranky jack ass to shut the hell up or to contain their bad mood.

Person One: Hey man do you want a pickel?

Person Two: What the hell man, you know i hate pickels, why would you even offer me one you asshole!

Person One: Whoooaa there buddy, tank your crank!
by Breanne Kuhnhausen February 21, 2009
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