EntryJLPT N3
  1. Adverb (fukushi), Adverb taking the 'to' particle

    with a clash; with a thud; with a bang; with a flop

    Onomatopoeic or mimetic word

    道でばったり彼女に会いましてね。
    I just ran into her on the street.
  2. unexpectedly (meeting someone)

    Onomatopoeic or mimetic word

  3. suddenly (ending); abruptly (coming to a halt)

    Onomatopoeic or mimetic word

Also written バッタリばたりバタリばったんバッタン

Pitch on OJAD