When someone has sex with multiple different people, moving from one to the other with no intention of ever forming a relationship. They Just want to have sex as many times as they can whist also remembering how many people they've has sex with.
This definition is unisex
"Trey has been on a fuckinspree this week man. He had sex with Alexa, Jade, Louise and plenty other girls, I lost count. He says that he keeps a count of how many girls that he has been with."