scare the pants off someone

scare the pants off (of) (one)

To shock, frighten, or terrify one. The sound of the fire alarm scared the pants off of me this morning.
See also: off, pant, scare
Farlex Dictionary of Idioms.

scare (or bore etc.) the pants off someone

make someone extremely scared, bored, etc. informal
See also: off, pant, scare, someone
Farlex Partner Idioms Dictionary

scare the pants off someone

tv. to frighten someone suddenly. The piano lid fell and scared the pants off my parents.
See also: off, pant, scare, someone
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • beat (one's) pants off
  • be off for (something)
  • be off for sth
  • (I've) got to take off
  • browned off
  • breeze off
  • auction off
  • blast off for (somewhere)
  • blast off for somewhere
  • (Now) where was I?
References in periodicals archive
The fear of death can be too great to bear, The prospect of finding yourself some place That you do not know, neither here nor there, Lost somewhere on the other side of space, Nothing you recognise, no friendly face, Would scare the pants off someone made from stone, All other pains boil down to this dismay.
Turn in Maria - or give her lessons in how to really scare the pants off someone?
Turn in - or give her lessons in how to really scare the pants off someone? Most weddings are followed by a honeymoon, but if Charity has her way after a secret visit to an abortion clinic, she'll be having a termination before the confetti has settled on the ground.
READERS' POEMS LET IT HAPPEN WHENEVER you must face the magistrate, Or maybe even the electric chair, It may well sound easy for me to state, But what I want to say is: "Don't despair." The fear of death can be too great to bear, The prospect of finding yourself some place That you do not know, neither here nor there, Lost somewhere on the other side of space, Nothing you recognise, no friendly face, Would scare the pants off someone made from stone.