English vs Hindi

How wud sum common English sayings direct translate in Hindi ?

Just for fun.

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! ----- Who itnee baareek hai!

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

Hey good looking. what's cooking? ---- Arrey sundarta ki devi; kya pakaa rahee ho?

Are you nuts? ----- Kya aap akhrot hain?

Son of a gun. ----- Bachcha bandook ka.

Rock the party. ---- Party mein patthar feko.

And the best ones are.....

How do you do? ----- Kaise karte ho?

Keep in touch! ----- Chhoote Raho.

Lets hang out! ----- Chalo bahar latakte hain