list of people in which a person has had sex with
My roster would be very empty so to say I'm a virgin.
by Ashton Kutcher June 27, 2003
a roster is a group of girls that can be called on at any time for casual sex, these girls don't know about the roster or each other, to add girls to this group is known as building your roster.
dude she's hot, you should add her to your roster
by BarbellBros January 15, 2016