'swoosh' definitions:

Definition of 'swoosh'

(from WordNet)
noun
The noise produced by the sudden rush of a fluid (a gas or liquid) [syn: swoosh, whoosh]
verb
Move with or cause to move with a whistling or hissing sound; "The bubbles swoshed around in the glass"; "The curtain swooshed open" [syn: lap, swish, swosh, swoosh]