Sex-machine

It was—and still is—commonly believed that the black had “larger . . . sexual organs,” as a psychologist recorded; the black was looked on as “an inexhaustible sex-machine with oversized genitals and a vast store of experience.”

Source: wiktionary

After my aunt left the room, I got off of the bed, turned the television off and then I sat back down on the bed so Karen would get the impression that I wasn't nervous and that I was an experienced sex-machine.

Source: wiktionary

When it reached my birthday I got present of even greater value than my post holiday present from my lovely little teenage sex-machine of a girlfriend.

Source: wiktionary