People sometimes use gender-bender to refer to a man who dresses or behaves like a woman, or a woman who dresses or behaves like a man. This use could cause offence.
[informal]
gender-bendingadjective [ADJECTIVE noun]
Hilary Swank lived for a month as a man to prepare for her Oscar-winning, gender-bendingbreakthrough role.
gender-bender in British English
noun
1. informal, often offensive
a person who expresses themselves in ways other than the traditional norms associated with being a man or woman
2.
a male-male or female-female adaptor, used esp for computer hardware
gender bender in American English
noun
informal, sometimes offensive
a person who blurs differences between the sexes, for example in choice of clothes