sexual role-play

American  

[sek-shoo-uhl rohl-pley] / ˈsɛk ʃu əl ˈroʊlˌpleɪ /

Or sexual roleplay

noun

1. role-play, either in person or online, in which participants act out erotic fantasies for mutual gratification, often involving bondage, dominance, or the like: SRP

   Popular for sexual role-play is the French maid uniform, worn by a servant who traditionally defers to her wealthy master.

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Etymology

Origin of sexual role-play

First recorded in 1985–90