as quick as a flash

as quick as a flash/wink

also as quick as lightning

if you do something as quick as a flash, you do it very quickly Quick as a flash, he snatched the book and ran out of the room.

Name	Pronounced	Usage
Marcela	mahr-THE-lah (Spanish), mahr-SE-lah (Latin American Spanish), mahr-TSE-lah (Polish), mahr-CHE-lah (Romanian), MAHR-tse-lah (Czech)	Spanish, Polish, Romanian, Czech
Mariah	mə-RIE-ə	English
Fortune	['fɔ:tʃən]
Arn&Thorn;ÓR	-	Icelandic
Sands	[sændz]
Amancio	ah-MAHN-thyo (Spanish), ah-MAHN-syo (Latin American Spanish)	Spanish, Portuguese