How would some common english sayings translate in hindi???

How would some common english sayings translate in hindi???

Have a nice day!
----- * Achcha din lo!

What's up?
----- *Uppar kya hai?

You're kidding!
----- *Tum bachcha bana rahe ho!

Don't kid me!
----- * Mera bachcha mat banaao!

Yo, baby! What's up?
-----* Beti Yo, uppar kya hai?

Cool man!
-----* Thandaa aadmi!

Check this out, man!
----* Iskee chaanbeen karo, aadmi!

Don't mess with me, dude.
----- * Mere saath gandagi mat karo, e vyakti.

She's so fine!
----- * Woh itnee baareek hai!

Listen buddy, that chick's mine, okay!?
----- * Suno dost, woh chooza mera hai, theek?