To be sexy and silky instantaniously. Most often used to describe a girl. The word originated one day after gym, when a girl flibbed and tried to say to words at once, and thus was selxy born.
"Woah, check out that selxy girl!"
Girl 1: "Don't my legs look selxy?"
Girl 2: "Yeah, how'd you get them so selxy?"
26 февруари 2005