You couldn't!

You couldn't (do that)!

and You wouldn't (do that)!

an indication of disbelief that someone might do something. Bill: I'm going to run away from home! Jane: You couldn't! Bill: I get so mad at my brother, I could just strangle him. Tom: You couldn't do that!

Common Names:

Name	Pronounced	Usage
Pol	-	Catalan
Jonny	JAHN-ee	English
Tumelo	-	Southern African, Sotho, Tswana
Maruf	-	Arabic, Bengali
Sampson (2)	SAMP-sən	English
Kirsty	-	Scottish