Mis·chief-mak·ing, a. Causing harm; exciting enmity or quarrels. --Rowe. -- n. The act or practice of making mischief, inciting quarrels, etc.
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mischief-making
n : reckless or malicious behavior that causes discomfort or
annoyance in others [syn: mischief, mischievousness,
deviltry, devilry, devilment, rascality, roguery,
roguishness, shenanigan]