Any sort of energy drink that would have similar effects as the drug crack but of no similar intensity. to have energy, be awake, peppy, etc. by means of an energy drink when one is tired or down.

Legal crack.
Student 1: You look tired. You had some 'crack' today?

Studnet 2: No. I stayed up all night studying. I should get some crack, huh?
by Foxracing808 January 24, 2008
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funny eragatory slur directed at white people

variation of "cracker" or "cracka"

can be used either plural or singular
Damn cracks are stealing immigrant jobs
by thewellhungjohnson August 12, 2010
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1. Something done that is completely off the wall, or bogus.

2. Someone who does crazy and down right stupid stuff.

3. Shenanigans as in circus performance in a closed environment, secret or dishonest activity or maneuvering.
No she did not just sit here all day and do nothing on the clock, she CRACK!!!
by KMITCH1120 November 19, 2013
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