If a couple becomes well aquianted with this manouver, and indeed both enjoy it, they may adopt the code phrase "going to the gym". Ie, "I'd love to come to drinks but Sally and I are going to the gym to do some bodybuilding tonight (wink wink)"
Usually verbalised in an Arnold Schwarzenegger accent. Ie, "Da Baady Bill Der"
"Cherryl's a good sport in the bedroom, but draws the line at bodybuilding"
Guy 2: "What the fuck? Why wouldn't you just whack off? I mean, did she atleast have legs?"