verb / noun
flounce
FLOUNS/flaʊns/
An exaggerated movement expressing irritation or impatience.
The angry man flounces through the doorway, flicking his hand dismissively behind him.

Etymology
The older abrupt-movement sense developed into an exaggerated display of impatience. The clothing ornament has a separate origin.
More examples
- He flounces out of the room after losing the vote.
- When asked to wait, she turns away with an impatient flounce.
- They flounced past us without answering our question.
Forms
flounce · flounces · flounced · flouncing