Top Definition
A chemical component of the sweat from a nerd, geek or dweeb; said to have pheromone-type properties. A bully, when unconciously exposed to this chemical, becomes enraged to the point of violence against the emitter.

Also, a portmanteau of 'Poindexter' and 'Dextrose'
Lisa Simpson extracted a sample of poindextrose from the school nerd, and wafted it in the direction of the bully.
by RulzC December 22, 2011

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