something that you say in order to show you think an event or action is not likely to happen.

A pay rise? That'll be the day!

• before long
• before someone could blink
• before someone knows what hit
• before someone knows what hit them
• before time
• before you can say
• before you can say Jack Robinson
• before you can say something
• before you know it
• before your time
• be for the asking
• be for the best
• be for the birds
• be for the chop
• be for the faint-hearted
• be for the high jump
• be for the taking
• be fresh from
• be fresh from swh
• be fresh out of
• be fresh out of something
• be frightened to death
• be frozen to the marrow
• be full of
• be full of beans