0 used to ask if someone understands, in a way that is intended to sound Italian, or to sound threatening:
I'm not in the Mafia. Never was. Capiche?
You do what he says. Capeesh?
That's all there is to it. Capeesh?
I do not wish to complicate this anymore than it already is. Capiche?
You better get out of here, capiche?
