(flounces, flouncing, flounced)
1.
If you flounce somewhere, you walk there quickly with exaggerated movements, in a way that shows you are annoyed or upset.
She flounced out of my room in a huff...
She will flounce and argue when asked to leave the room.
VERB: V adv/prep, V
2.
A flounce is a piece of cloth that has been sewn into folds and put around the edge of something, for example a skirt, dress, tablecloth, or curtain.
...a gown with a flounce round the hem.
= frill
N-COUNT