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Noun: mischief-making
  1. Reckless or malicious behaviour that causes discomfort or annoyance in others
    "The children's mischief-making led to broken windows";
    - mischief, mischievousness, deviltry [archaic], devilry, devilment, roguery, shenanigan

Type of: misbehavior [US], misbehaviour [Brit, Cdn], misdeed, misdoing