gender bender

Noun

 * 1)  A person who dresses in the clothes of another sex, or in clothes which make their gender identity ambiguous.
 * 2)  An event where people are encouraged to dress in the clothes of another sex, even if they would normally not.
 * 3)  A person capable of changing their physical sex.
 * 4)  An instance of someone's physical sex being changed, usually via magic.

Synonyms

 * See also Thesaurus:transvestite