Verb- The act, during intercourse, when the legs are spread. When, correctly viewed, it gives the appearance of an X-Wing from the Star Wars trilogy. Often used as code, specifically when in front of his or her partner.
Guy 1: Ah, hey man, last night I was with my girlfriend...
Guy 2: And?
Guy 1: We so totally X-Winged!
Guy 2: FUCKYEA.
Girl 1: Keep going!
Girl 2: So things were getting pretty serious and I wa-
Girl 2: So... yeah, basically, we were X-Winging for longer than you can imagine.