Erosmic

Erosmic is a term to describe someone who has identitie(s) which change when participating in sexual activity or ideation. This can include any identity, including sexual orientation, romantic orientation, tertiary attraction, pronouns, name, and amorous identity. In this way it is a counterpart to arousmic which is not exclusive to sex workers or others who engage in sexual content as a service.

Etymology
The name comes from the Greek eros, meaning 'passion' or 'sexual love.'