Top Definition
An individual whose reaction to alcoholic stimuli worsens dramatically and often inexplicably at a certain level of alcohol intake.
"What a fucking diode, he was fine ten minutes ago."
by chenghis khan January 14, 2007
1 more definition
An electrical component that allows electricity to flow only one way. Used in the rectifier bridge of an alternator. Also used as L.E.D. (light emitting diode) lights.
Dumbass: "The guys at the parts store tested my alternator and said that the diodes are bad. How much to replace them?"

Guy at alternator rebuilders shop: "Those rank amatures don't know what they're talking about, and neither do you, you dumb ass."
by wanna-be-Rossi September 21, 2005

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