[n] a brushing or rustling sound
[adj] (informal) elegant and fashionable; "classy clothes"; "a classy dame"; "a posh restaurant"; "a swish pastry shop on the Rue du Bac"- Julia Child
[v] move with a swishing sound; "She swished into the room"
[v] move with or make or cause to move with or make a whistling or hissing sound, as of liquids