Top Definition
A mild form of cocaine.
After I took my pre-workout the tingles had me ready to lift a house!
by mrginch June 11, 2014

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Taking a massive dump usually before working out.
Man I gotta take a huge pre-workout.
by Decessum March 29, 2011

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Eating a lot of food before working out and burning it all off.
No man, I am doing my pre-work out!
by StrongerSkillz April 15, 2011

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