Definition of "flounce"

There was a continual coming and going of flouncing, pig-tailed forms, until the table was closely covered with dishes, scarlet curries with surface currents of ochreous oil, three varieties of what looked like seaweed (inevitably recommended as abundant in vitamins), a paste made of ground beans and chillis...

1952, Norman Lewis, Golden Earth

To flutter and flounce will do nothing but batter and bruise us.

a. 1678 (date written), Isaac Barrow, “(please specify the chapter name or sermon number). Of Contentment”, in The Works of Dr. Isaac Barrow. […], volumes (please specify |volume=I to VII), London: A[braham] J[ohn] Valpy, […], published 1830–1831

With his broad fins and forky tail he laves / The rising surge, and flounces in the waves.

1717, Joseph Addison, Metamorphoses

'Oh certainly,' retorted Tinette impudently, as she flounced out of the room.

1956 , Johanna Spyri, Heidi, translation of original by Eileen Hall, page 67

You got your ass kicked and instead of admitting you might have made a mistake, you flounced.

2002 September 9, PButler111, “Re: OT - Sept. 11th?”, in alt.fan.barry-manilow‎ (Usenet)

But love Mensch or hate her, don't buy the line that she merely got bored and flounced: for whatever else she achieved in politics, she was never exactly stuck for ways to make it interesting.

2012 August 7, Gaby Hinsliff, “The lessons of Louise Mensch's departure? There are none”, in The Guardian‎

Mind you, clothes were clothes in those days. […] Frills, ruffles, flounces, lace, complicated seams and gores: not only did they sweep the ground and have to be held up in one hand elegantly as you walked along, but they had little capes or coats or feather boas.

1977, Agatha Christie, chapter 4, in An Autobiography, part II, London: Collins

2008, David Attenborough, Life in Cold Blood, section 252