WordNet sense 1 (a strip of pleated material used as a decoration or a trim):

flounce, frill, furbelow

WordNet sense 2 (a high tight collar):

choker, ruff, neck ruff

WordNet sense 3 (stir up (water) so as to form ripples):

cockle, riffle, ripple, undulate

WordNet sense 4 (to walk with a lofty proud gait, often in an attempt to impress others):

cock, prance, sashay, strut, swagger, tittup

WordNet sense 5 (twitch or flutter):

flick

WordNet sense 6 (erect or fluff up):

fluff

WordNet sense 7 (disturb the smoothness of):

rumple, ruffle up

WordNet sense 8 (pleat or gather into a ruffle):

pleat

WordNet sense 9 (mix so as to make a random order or arrangement):

mix, shuffle

WordNet sense 10 (a noisy fight):

affray, disturbance, fray