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The rapid eye movements that most commonly occur, along with so-called 'gurning', as a result of ecstasy/MDMA ingestion. The term may also be used as a synonym for an ecstasy tablet.
1. That bitch got jazz eye, yo.
2. Darling, did you notice our son's eyes tonight? Do you think he had jazz eye?
3. Dude, you got some spare jazz eye for the rave?
by BJBNYC March 21, 2009