'Mischief-making' definitions:

Definition of 'mischief-making'

(from WordNet)
noun
Reckless or malicious behavior that causes discomfort or annoyance in others [syn: mischief, mischief-making, mischievousness, deviltry, devilry, devilment, rascality, roguery, roguishness, shenanigan]

Definition of 'Mischief-making'

From: GCIDE
  • 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]