- A feather in one's cap
- À la mode
- Best bib and tucker
- Cat's pajamas
- Coat of many colours
- Dog's dinner
- Don't get your knickers in a twist
- Dressed to the nines
- Fancy pants
- Fashion victim
- Goody two-shoes
- Gussied-up
- Handle with kid gloves
- Hush puppies
- I will wear my heart upon my sleeve
- La-di-da
- Lardy-dardy
- Men in suits
- Mutton dressed as lamb
- Nip and tuck
- On with the motley
- Power dressing
- Sloane Ranger
- Smart casual
- Wear your heart on your sleeve
- Whistle and flute
- Winter drawers on