Wicked and cruel behavior.

synonym: devilry.

Polish: diabelskość

Reckless or malicious behavior that causes discomfort or annoyance in others.

synonyms: devilment, devilry, mischief, mischief-making, mischievousness, rascality, roguery, roguishness, shenanigan.

Dutch: kattekwaad, duivelse streek, baldadigheid