SHENANIGAN
mischief, mischief-making, mischievousness, deviltry, devilry, devilment, rascality, roguery, roguishness, shenanigan
(noun) reckless or malicious behavior that causes discomfort or annoyance in others
trickery, chicanery, chicane, guile, wile, shenanigan
(noun) the use of tricks to deceive someone (usually to extract money from them)
Source: WordNet® 3.1
Etymology
Noun
shenanigan (countable and uncountable, plural shenanigans)
(countable) A deceitful confidence trick, or mischief causing discomfort or annoyance.
(uncountable, dated, rare) singular of shenanigans.
Source: Wiktionary