Entry
  1. Adverb taking the 'to' particle

    with a swoosh; at one fell swoop

    Onomatopoeic or mimetic word

    夜の間に屋根に積もった雪がガサッと落ちてきた。
    The snow that had piled up on the roof at night came down with a thud.

Also written ガサッ

Pitch on OJAD