flounce1

 
Pronunciation: /flaʊns/

verb

[no object, with adverbial of direction]
  • go or move in an exaggeratedly impatient or angry manner: he stood up in a fury and flounced out

noun

[in singular]
  • an exaggerated action intended to express annoyance or impatience: she left the room with a flounce

Origin:

mid 16th century: perhaps of Scandinavian origin and related to Norwegian flunsa 'hurry', or perhaps symbolic, like bounce or pounce