Turn Tricks Meaning

(chiefly US, idiomatic) To work as a prostitute, providing sexual services for money.

Example: 2004 March 21, Kevin Fagan, "The Homeless: Desperate search for Bridget—sister, mother, addict," San Francisco Chronicle (retrieved 18 Feb 2009):
  By 1996, she was a hooker sleeping in the streets or at ratty hotels in Santa Cruz and San Francisco, turning tricks to get her next bag of heroin.