Hai Hai - You say this to greet your best friend, especially if you ha

You say this to greet your best friend, especially if you have inside jokes and you're trying to sound cool, even if you're just being loud.

Hai Hai! I just saw you talking to your mom like you're trying to impress her.

Hai Hai, you just yelled 'I'm the best' in the hallway and no one listened.

Hai Hai! You just said 'I'm going to be rich' and now you're eating cereal for dinner.