done up/dressed up like a dog's dinner

British & Australian

wearing clothes which make you look silly when you have tried to dress for a formal occasion.

There she was, all dressed up like a dog's dinner, in a ridiculous frilly shirt and a skirt that was far too short.

• someone's stamping ground
• someone's stomping ground
• someone's time is up
• someone's word is law
• someone will be along
• someone will go a long way
• someone won't bite
• someone would not be caught dead
• something and a half
• something be damned
• something can't hold a candle to someone else
• something can't hold a candle to something else
• something comes into head
• something comes into your head
• something else
• something falls on deaf ears
• something from hell
• something goes for
• something goes for someone else
• something goes for something else
• something goes to show
• something goes to show you
• something has more bark than bite
• something hits the fan
• something is all need