What does "travelling salesman" mean in gay sex?

What is travelling salesman?

Gay slang for someone who travels around, but uses their sexual allure to obtain a ride, and then proceeds to provide various sexual acts, for the ride.

Definition

Usually a hitch hiker, that offers sexual favors for the ride. Generally it is their intent, to use their body in this manner, rather than happenstance. Also used to describe a woman chasing male, one who has limited morals, when it comes to bedding any woman.