The Oxford Thesaurus An A-Z Dictionary of Synonyms - flounce n.

1) frill, furbelow, peplum, ruffle, ornament, valance, trimming: The dress has decorative flounces round the skirt. --v. 2) fling, toss, bounce, twist, strut, toss, parade, march, storm, stamp, US sashay: She flounced out of the room in high dudgeon.