名詞 shenanigan:

1. reckless or malicious behavior that causes discomfort or annoyance in others
   同義詞：mischief, mischief-making, mischievousness, deviltry, devilry, devilment, rascality, roguery, roguishness
2. the use of tricks to deceive someone (usually to extract money from them)
   同義詞：trickery, chicanery, chicane, guile, wile