scared silly

Translations
напуган до безумия
Someone was scared silly by the horror movie.
Кто-то был напуган до безумия ужасным фильмом.
Definitions
A phrase used to describe a state of being extremely frightened or startled, often to the point of being unable to think or act rationally, sometimes resulting in humorous or absurd behavior.
Words
scared

adjective
испуганный
silly

adjective
глупый