A snowball's chance in hell
There's no chance at all.
Like a bat out of hell.
To move extremely quick without thought or in a panic.
Night owl.
A person who tends to stay up late.
Skeleton in the closet/cupboard.
To have an embarrassing secret about your past.
To dig one's grave
To be responsible for one's downfall or ruin. It's a way of expressing that you've made a big mistake.
Playing devil's advocate.
To present the other side of an argument even though you don't personally support it.
Witch hunt.
To unfairly seek to damage others, perhaps because of a false view of their beliefs.
Scaredy cat.
Someone who is easily frightened.
To scare the pants off someone
To frighten someone a lot.
Stabbed in the back.
To be betrayed by a friend or colleague.
Wouldn't say boo to a goose.
A shy or nervous person.
Drop dead gorgeous.
Someone very good looking.
In cold blood.
To do something deliberately in a ruthless manner.
To make someone's blood boil.
To make someone very angry.
Ghost town.
A deserted place where there are few or no people.
To smell a rat.
To suspect that something wrong or dishonest is happening.
Skeleton crew
The smallest number of people needed for a business to operate.
Graveyard shift.
A work shift that happens overnight.
To spill your guts.
To confess everything.
Over my dead body.
To refuse to do something.
To be scared stiff.
To get so scared you're not able to move.