To wave or flutter smartly in the wind.To make a smart show in apparel or equipment of any kind; make an ostentatious or brazen display; move or act ostentatiously or brazenly; be glaring or gaudy: sometimes with an indefinite it: as, a flaunting show.To display ostentatiously, impudently, or offensively: as, to flaunt rich apparel.n. The act of flaunting.n. Anything displayed for show; finery.n. A boast; a vaunt; a brag.