dressed to the nines
Definition from Wiktionary, the free dictionary
Unknown, many unproven theories exist; first recorded in the late 1700s.
- (idiomatic) Very fancily or formally dressed; wearing very showy or splendid clothing.
- "Dressed to the nines" in Michael Quinion, Ballyhoo, Buckaroo, and Spuds, 2004.
very fancily or formally dressed