1 definition by ilubochem

Top Definition
1. Short for Female To Male

2. A male that was a female before undergoing a "F2M" surgery that consisted of an addition of an extra appendage and removal of her mammary gland

3. Derogatory term to females or males; unsure whether they are female or male because they look so fugly

2. I thought it was a female last night so I hooked up with her. Later that night I found out it was an F2M. It was still good though.

3. That F2M professor nasiri made me attend saturday morning discussion sections.
by ilubochem January 27, 2005

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