it will never happen.

A raise in pay? That'll be the day!

Usage notes: said esp. to emphasize something you wish would happen

• come out in the wash
• come out of shell
• come out of the closet
• come out of the woodwork
• come out of your shell
• come out smelling of roses
• come out swinging
• come over
• come over someone
• come pass with flying colours
• come rain or shine
• comes into head
• comes into your head
• come the raw prawn
• come through with flying colours
• come to a full stop
• come to a head
• come to a sticky end
• come to blows
• come to grief
• come to grips with
• come to grips with something
• come to heel
• come to light
• come to mind