Top Definition
The nasty cough someone has after coming to Humboldt County. Results from the ever-present dampness and mold, as well as taking massive bong hits of the finest weed California has to offer.
Jim: (Continuously coughing for a few minutes) Damn, I've had this really bad cough for days.
Tony: Just moved to Arcata, right?
Jim: Yeah.
Tony: That's that Humboldt Hack man. Shit never goes away.
by Harley_Quinn September 21, 2011

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