dressed (up) like a dog's dinner

dressed (up) like a dog's dinner

Dressed in very showy clothes that attract negative attention. Look at that fool, all dressed up like a dog's dinner. Who told him that patterned suit was a good idea?
See also: dinner, dress, like
Farlex Dictionary of Idioms.

dressed up like a dog's dinner

If someone is dressed up like a dog's dinner, they have taken a lot of trouble to dress in their best clothes. Are you telling me that your mother is going to be dressed up like a dog's dinner tonight and every night? Note: This expression is usually used to show that you think the person looks foolish.
See also: dinner, dress, like, up
Collins COBUILD Idioms Dictionary, 3rd ed.

dressed (up) like a dog's dinner

wearing ridiculously smart or ostentatious clothes. British informal
See also: dinner, dress, like
Farlex Partner Idioms Dictionary
See also:
  • dressed like a dog's dinner
  • dressed up like a dog's dinner
  • dressed to kill
  • dressed to the teeth
  • dressed up
  • (all) dressed up
  • 9s
  • be dressed (up) to the nines
  • dressed to the nines
  • dressed (up) fit to kill