Tiddley is a colloquial and unusual word that basically means "tipsy" or "slightly drunk." Some synonyms of tiddley include: elated, merry, happy, intoxicated, tipsy, buzzed, inebriated, and cheerful. Often used in British slang, tiddley is a playful way to describe a state of mild intoxication. Other synonyms like 'jolly" or "gleeful" can also be used to describe a state of happiness. Using these words can add character and expressiveness to everyday language. Regardless of the exact synonym used, the meaning remains largely the same: a happy and slightly tipsy state.