Hijinks are examples of mischief or merrymaking that are often disruptive or rowdy. Prank phone calls and gag gifts are both forms of hijinks. Hijinks is a fun-sounding word for activities that are fun: getting into trouble, but not serious trouble.

As a transitive verb, jinx means to bring bad luck or cast a nasty spell. The word jinx first appeared in the United States in the early twentieth century as sports slang, it was originally spelled jinks. At that time, jinx referred to anything which brought bad luck to a baseball player.

You can also spell it hijinks — in either case, it's a nineteenth century word meaning "drinking games." The verb jink is probably a root of high jinks, and it's a Scottish word that means "to wheel or spin about in dancing."

No, hijinx is not in the scrabble dictionary.