1
general::
Phrase(s): You scared the hell out of me. [and] You scared the crap out of me.; You scared the dickens out of me.; You scared the devil out of me.; You scared me out of my wits.; You scared the pants off (of) me.
You frightened me very badly. (Also with subjects other than second person. Of is usually retained before pronouns.) • He scared the hell out of all of us. • She really scared the pants off of me.
McGrawhill's American Idioms And Phrasal Verbs