adverb taking the 'to' particle
with a swoosh; with a rustle
Mimetic word describing a quick, light rustling or swooshing sound, often of paper, leaves, or fabric. Used adverbially with と.
風で書類ががさっと飛んだ。
The papers flew away with a swoosh in the wind.
彼はがさっと袋からお菓子を取り出した。
He rustled the bag and took out some snacks.