free trial citizen
A booty call that extends into other dating activities usually reserved for monogamous couples, such as home cooking and regular oral sex, while maintaining the casual and open nature of a booty call relationship. The 'free trial' is sampling intimacy without actually commiting to it.
I realized after he spent Saturday night spoon-feeding me tiramisu and giving me copious oral pleasure, and then didn't call me for two weeks, that he was a free trial citizen.