Meaning

2 senses
  1. (US)Not a care in the world. (used in a sing-song voice, for childhood rhymes)

  2. (derogatory, mildly)Expression of disdain for pretension or haughtiness.

    Well, lah-di-dah, mister Park Avenue manicure.

Origin

c. 1880s, with a comeback in the 1980s due to its use in Annie Hall (1977) by Woody Allen,

c. 1880s, with a comeback in the 1980s due to its use in Annie Hall (1977) by Woody Allen, although in a different context, spoken by the actress Diane Keaton.

Wiktionary, CC BY-SA 4.0 · source

Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.

lah-di-dah — meaning, examples, forms, synonyms | Krumeto