1 definition by thecokebottle

Top Definition
The acne caused by the introduction of booze to the adolescent human whilst studying for an undergraduate degree. It is directly correlated with the freshman fifteen and refers in particular to the drinking of mixed whiskey drinks including its namesake, Jack Daniels.
Bro. She's got about an extra twenty and some SERIOUS jackne.
by thecokebottle April 29, 2011

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