scare the pants off someone

tv. to frighten someone suddenly. The piano lid fell and scared the pants off my parents.

Name	Pronounced	Usage
Gowri	-	Tamil, Indian, Kannada
Wallace	WAWL-əs	English, Scottish
Quang	-	Vietnamese
Amaterasu	-	Far Eastern Mythology
Deimos	-	Greek Mythology
Malie	-	Hawaiian