Wank like an Egyptian.

The act of masturbating whereby one uses only their imagination to reach climax. Internet porn is not allowed.

Guy 1: "I'm gonna go home and take a shower after we're done here."

Guy 2: "You gonna rub one out while you're there?"

Guy 1: "Man, come on, you know I can't wank like an Egyptian."

Guy 3: "No talking in the operating theatre please"