flounce
[verb]
Synonyms: sashay, mince, prance, prink, strut

[TahlilGaran] English Synonym Dictionary ▲

I. flounce¹ /flaʊns/ verb [intransitive always + adverb/preposition]
[Date: 1500-1600; Origin: Probably from a Scandinavian language]
to walk in a quick determined way without looking at people because you are angry:
She flounced out of the room.

[TahlilGaran] Dictionary of Contemporary English ▲

II. flounce² noun
[Date: 1700-1800; Origin: frounce 'fold, plait' (14-19 centuries) (influenced by ⇒ flounce¹), from Old French fronce]

1. [countable] a wide band of cloth with folds, which is stitched onto the edge of a skirt, dress, shirt, or curtain as a decoration:
The dress had red satin flounces at the bottom.

2. [singular] a way of walking in a quick determined way without looking at people, because you are angry:
She walked off with a flounce.

[TahlilGaran] Dictionary of Contemporary English ▲