jaw drops

your jaw drops

to show great surprise My jaw dropped when I heard she'd been admitted to Harvard.

Name	Pronounced	Usage
Wiktor	VEEK-tawr	Polish
Stanislav	stah-nee-SLAHF (Russian)	Czech, Slovak, Russian, Ukrainian, Bulgarian, Slovene, Serbian, Croatian, Medieval Slavic
Serina	sə-REEN-ə	English
ChÍ	-	Vietnamese
EkİN	-	Turkish
Alvin	AL-vin	English