Top Definition
Inherently the Man with the plan. One born with original slack that transcended slack itself to reach pro status.
One who has not descended into false slack at any point, ever.
Wow, everything is falling into place, just like it should, talk about Pro Slack. The pieces are falling into place, the cards are thrown, onwards and upwards, non stop to the top. This is the way I had it planned, I'm Pro slack baby.
by jojo420 May 10, 2010

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