stand stock still

To not move at all. You kids need to stand stock still out here until the firemen are done investigating the building, OK? I didn't want my grandmother to catch me rooting through her jewelry box, so when I heard her in the hallway, I leaped into the closet and stood stock still.

Common Names:

Name	Pronounced	Usage
Pisti	-	Hungarian
Clement	KLE-mənt	English
Paris (2)	PER-is (English), PAR-is (English)	Various
Kalyana	-	Indian, Telugu
Stephenson	['sti:vnsn]
Kodey	KO-dee	English (Rare)