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
Rainerio	-	Spanish
Hrodger	-	Ancient Germanic
Harshad	-	Indian, Hindi, Marathi
Ruaridh	-	Scottish
Caratacus	-	Ancient Celtic (Latinized)
Benson	['bensn]