on the game

on the game

Engaged in prostitution; regularly having sex for money. (Used especially in reference to women.) A large number of prostitutes are on the game from a young age as the victims of sex trafficking.
See also: game, on
References in classic literature ?
I was excited by the encounter, and my fancy worked busily while I sought to concentrate myself on the game I was playing.
He might even make comments on the game, or whistle.