monkeyshine

“What kind of monkeyshine is this?” he growled.

“Are you tired of being led astray? Run amok? Highjinks? Monkeyshine? Hornswaggle? Skullduggery?”

But as a popular-entertainment monkeyshine on the making of musicals, and as the decidedly unspiritual autobiography of a fledgling librettist, the show bumps and bounces along cheerfully enough.

"I did cut a monkeyshine or two," admitted the young man.

Always up to some monkeyshine.