When a group of girls known for their love of cock go on vacation together (usually spring break) and just hunt for dicks to ride and suck. These girls are usually in college and are fraternity/athlete groupies and have disappointed their parents by sucking gargantuan amounts of cock.
My ex-girlfriendAnna went on a slutcation with her friends to cancun and they all got herpes.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi