What is the meaning in Malayalam for dude?

There is no direct, universally accepted translation for "dude" in Malayalam. It's a very informal and slang term in English, and Malayalam doesn't have a similar equivalent.

However, depending on the context, you could use various expressions:

* "Chetta" (ചെട്ട): This means "brother" and can be used casually with friends or someone you know well.

* "Maane" (മാനെ): This means "friend" and is a more formal, general term.

* "Da" (ഡ): This is a very informal, casual way to address someone, similar to "hey" in English.

* "Kutta" (കുട്ട): This means "kid" and is a playful, informal way to address someone younger.

* "Aare" (ആരെ): This is a general term used to address someone, similar to "hey" in English.

The best translation will depend on the situation and your relationship with the person you're addressing.