Here's what rhymes with shenanigans.

Consider these alternatives

machinations / relations improprieties / varieties escapades / states manipulations / relations misdeeds / needs gamesmanship / which indiscretions / presence misbehavior / behavior illegalities / localities transgressions / presence sleazy / easy malfeasance / reasons unseemly / extremely sordid / supported subterfuge / group cliches / days frivolity / quality hyperbole / be malpractices / practices gyrations / relations