scare the pants off someone

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

Name	Pronounced	Usage
Tjeerd	TYAY:RT (Dutch)	Frisian, Dutch
Gerolf	-	Dutch
Rhianna	ree-AN-ə	English (Modern)
Mahendra	-	Indian, Hindi, Marathi, Gujarati, Sanskrit
Maritta	MAH-reet-tah	Finnish
April	AY-pril	English