WILDMAN fashion designer Kai got into yet another nightclub scuffle — this time at Luke & Leroy’s "Misshapes" party. The crazed couturier was thrown out of the West Village hotspot by two bouncers Saturday night after he allegedly kicked a member of rock band the Explosion, then started swinging at security when they tried to break it up. "He was literally tossed onto the sidewalk, thong hanging out, as he tried to take on the two bouncers," says our spywitness. Kai then tried to throw a trash can at the bouncers — before wisely jumping into a cab. Among the hipsteratti there for the outburst were Nine Inch Nails bassist Jeordie White, model Anouk Lepere and Heatherette designer Traver Rains.