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A person who survives on a strict diet of chemical substances (pills, powders, injections, etc.).
Jeez, that guy does a lot of drugs! He's a strict chematarian. Really enjoys the finer stimulants in life.

Staying at my parent's house is really ruining my chematarian regimen...I've been sober for nearly 24 hours.
by MrMeanwhile March 15, 2018
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