scare, bore, etc. the pants off somebody

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, bore, etc. the ˈpants off somebody

(informal) scare, bore, etc. somebody very much: He would creep up behind people and scare the pants off them. He was clearly boring the pants off his audience.
See also: off, pant, somebody
Farlex Partner Idioms Dictionary
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?