What is the meaning of Flounce?

To move in a bouncy, exaggerated manner.

To depart in a dramatic, haughty way that draws attention to oneself.

To flounder; to make spastic motions.

To decorate with a flounce.

A strip of decorative material, usually pleated, attached along one edge; a ruffle.

The act of flouncing.

A row of corrugations, skin folds, or spines, on the hemipenis of a snake.

Source: wiktionary.org