sex drive
sexual drive
sex urge

Years ago you must have sublimated your sex urge into an urge for food.

So off we went, and, on the way, I asked him if he had any sex urge left.

I altered my medical system to make pheromones to affect your sex urge.

The sex urge in a teen age boy was too powerful, too easily twisted and repressed.

Either that or the rest of us sublimated our appetites into a sex urge, and you didn't.

Catherine Wheele experienced a response to the vampire's evil that went beyond the sex urge.

But that's just - or so I've been told - just normal sex urge with all the social conscience short-circuited.

Peerssa would never suffer hunger pangs or a frustrated sex urge.

Add fear to unity, on top of the basic sex urge, and it's an act that's hard to beat.

Some days I think he's got a Tripsinger score where his sex urge ought to be.