Voster

A Voster is a group of men that can be called on at any time for casual sex, these guys don't know about the voster or each other, to add men to this group is known as building your voster. The term voster also originated in Florida, where roster is for men and voster is for women.

Girl he’s hot, you should add him to your voster.
I’m bored. Let me see who’s available from my voster.