sex drive
sexual drive
sex urge

We thought we'd found a key to how memory works, and maybe sexual drive too.

There's got to be a sexual drive in it.

Nothing I had been taught prepared me for the onset of my sexual drive.

Even after the body gave out, his sexual drive stayed alive.

In general, men were more likely than women to report increased sexual drive during negative mood states.

The sexual drive affects the development of personal identity and many social activities.

No sexual drive to them - that's usually indicated by cuts on the neck, as you know.

They kept thinking up some new malady to explain his lack of sexual drive.

This was the first case I had seen of the social purpose running counter to the sexual drive.

Until now he had believed his sexual drive dead or anaesthetised.