Nah, bro slang
This phrase is an evolving term often found in young people.
A way of rejecting an invitation, an idea, or a suggestion
You challenge me to go into the haunted house by myself? - Nah, bro!
Homie 1: You wanna get some wine? Homie 2: Nah, bro. It's enough.
I've already said "no" and you still don't understand.
Despite having many copy versions of something, the original is the best.
That dish is often imitated, never duplicated.