Top Definition
adjective: In the male homosexual population, refers to individuals who really have no preference between sodomizing or being sodomized. They are the rarest, and the most sought-after homosexuals.
Serge: Are you active, passive, or auto-reverse?
<notice the glimpse of hope in Serge's eyes as he proposes this last option>

Themis: Auto-reverse.

Serge: Then you'll be passive today. It's party time.
by Daveeed February 26, 2006

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