Scaredy cat.
Someone who is easily frightened.
Playing devil's advocate.
To present the other side of an argument even though you don't personally support it.
Drop dead gorgeous.
Someone very good looking.
Over my dead body.
To refuse to do something.
In cold blood.
To do something deliberately in a ruthless manner.
Wouldn't say boo to a goose.
A shy or nervous person.
Skeleton staff.
The smallest number of people needed for a business to operate.
Stabbed in the back.
To be betrayed by a friend or colleague.
to be as dry as a bone
extremely dry
Skeleton in the closet/cupboard.
To have an embarrassing secret about your past.
To make someone's blood boil.
To make someone very angry.
dead end
a situation that has no hope of making progress
to be as blind as a bat
to have poor eyesight
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.
To smell a rat.
To suspect that something wrong or dishonest is happening.
To spill your guts.
To confess everything.
To be scared stiff.
To get so scared you're not able to move.
Night owl.
A person who tends to stay up late.
Witch hunt.
To unfairly seek to damage others, perhaps because of a false view of their beliefs.
Ghost town.
A deserted place where there are few or no people.