roguishness

(noun) the trait of indulging in disreputable pranks. Synonyms: prankishness, rascality.

(noun) reckless or malicious behavior that causes discomfort or annoyance in others. Synonyms: mischief, mischief-making, mischievousness, deviltry, devilry, devilment, rascality, roguery, shenanigan.