The idiom "scare the living daylights out of someone" means to frighten someone very badly or to scare someone so much that they become extremely scared or frightened.
For example, if you were walking in a dark alley at night and suddenly someone jumped out and scared you, you could say that they scared the living daylights out of you.
This idiom is used to describe situations where someone is scared or frightened to an extreme level. It is often used in informal situations and is a common expression in spoken English.
It is important to note that this idiom is not used to describe situations where someone is mildly scared or startled. It is reserved for situations where someone is truly terrified.
• During the camping trip, the sound of a bear outside our tent scared the living daylights out of us.
• The roller coaster ride was so thrilling that it scared the living daylights out of me.
• When my little brother jumped out from behind the door, he scared the living daylights out of me.
• The sudden loud noise scared the living daylights out of me.
• The horror movie I watched last night scared the living daylights out of me and I couldn't sleep.
• The terrorist attack at the airport scared the living daylights out of everyone present there.