Originally founded at Washington College in Chestertown, Maryland by 3 handsome swimmers. The term is used to describe casual sex in any form (including thighs, anal, tit fuck, skull fuck, etc.)
Hey bro, I justmet this girl last night and I totally slayed it on the side.
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