definition of
swish

[1] #1 swish v. [lap, swosh, swoosh] move with or cause to move with a whistling or hissing sound; "The bubbles swoshed around in the glass"; "The curtain swooshed open". wn

[2] #2 swish n. a brushing or rustling sound. wn

[3] #3 swish s. [classy, posh] elegant and fashionable; "classy clothes"; "a classy dame"; "a posh restaurant"; "a swish pastry shop on the Rue du Bac"- Julia Child. wn