mischief-making n 1: reckless or malicious behavior that causes discomfort or annoyance in others [syn: {mischief}, {mischief-making}, {mischievousness}, {deviltry}, {devilry}, {devilment}, {rascality}, {roguery}, {roguishness}, {shenanigan}]
Mischief-making \Mis"chief-mak`ing\, a. Causing harm; exciting enmity or quarrels. --Rowe. -- n. The act or practice of making mischief, inciting quarrels, etc. [1913 Webster]