sex-machine

Noun

sex machine (plural sex machines)

1. (idiomatic) Someone with considerable sexual prowess.
   • I said do the bump, huh, I said shake your rump / And stay on the scene like a sex machine1970, “Get Up (I Feel Like Being a) Sex Machine”, performed by James Brown
2. Any machine that is used for sexual pleasure.
   • The typical scenario, Archibald says, is a married guy “who likes building things.” He comes across someone else's sex machine, is fascinated, decides to build one himself.2009, Mary Roach, Bonk: The Curious Coupling of Science and Sex, W. W. Norton & Company, →ISBN, page 55