verb

• (intransitive, archaic) To wave or flutter smartly in the wind.
  "The black, rich soil had fed itself with the decay of a long period of time; such as fallen leaves, the petals of flowers, and the stalks and seed-vessels of vagrant and lawless plants, more useful after their death than ever while flaunting in the sun."
• (transitive) To parade, display with ostentation.
  "She’s always flaunting her designer clothes."
• (intransitive, archaic or literary) To show off, as with flashy clothing.
  "You Sot, ſays ſhe, you loyter about Alehouſes and Taverns, ſpend your Time at Billiards, Nine-pins or Puppet-ſhovvs, or flaunt about the Streets in your nevv gilt Chariot, never minding me nor your numerous Family; […]"

noun

• (obsolete) Anything displayed for show.
  "Should I , in these my borrow'd flaunts, behold The sternness of his presence?"

verb

• (proscribed) To flout.
  "By that late date, however, the golden age of the lurid paperback book was pretty much over, and the sort of punishment meted out to Aday and Maxey for flaunting the sexual mores of a McCarthyite culture would soon be a thing of the past."