1 definition by Scomandy Van Shlervin

Top Definition
A pun combining the chemistry term Diastereomer and disaster;it is used to describe a person with excessive knowledge in chemistry. A chemistry know-it-all.
"I hear your friend aced that chem exam; for all intensive purposes he's a total disastereomer."
by Scomandy Van Shlervin March 07, 2009

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