WordNet (r) 3.0 (2006):
whoosh n 1: the noise produced by the sudden rush of a fluid (a gas or liquid) [syn: swoosh, whoosh] v 1: move with a sibilant sound; "He whooshed the doors open" [syn: woosh, whoosh] 2: move with a whooshing sound [syn: hiss, whoosh] 3: gush or squirt out; "Oil whooshed up when the drill hit the well"