flounce

Short definition from Wiktionary

Verb

1. 1
   To move in a bouncy, exaggerated manner.
2. 2
   To depart in a dramatic, haughty way that draws attention to oneself.
3. 3
   To flounder; to make spastic motions.
4. 4
   To decorate with a flounce.

Noun

1. 1
   A strip of decorative material, usually pleated, attached along one edge; a ruffle.
2. 2
   The act of flouncing; a dramatic departure.
3. 3
   A row of corrugations, skin folds, or spines, on the hemipenis of a snake.