Let’s learn some Halloween related idioms!
Idiom: shake like a leaf
Meaning: to shake with fear
Example
I watched a really scary horror movie last night. I was shaking like a leaf from start to finish!
Idiom: send shivers up and down my spine
Meaning: a strange sensation goes up and down your back
Example
Ghost stories send shivers up and down my spine.
Idiom: be scared stiff
Meaning: fear causes your body to become tight and you cannot move
Example
I saw a ghost in my apartment on Halloween. I was scared stiff.