High jinks was a popular 18th-century drinking game in Scotland. The game involved throwing a die, and if the caster got a bad score, they had to choose between drinking more alcohol or performing an undignified task. The term "high jinks" is now commonly used to refer to any prank or frolic.

What does hijinks stand for?

: boisterous or rambunctious carryings-on : carefree antics or horseplay.

Is hijinks a real word?

Hijinks means playful, mischievous, or rowdy activity. It is also spelled high jinks. Both spellings of the word are used with a plural verb, as in My cousins' hijinks are legendary.