[jbjw]

I believe it's supposed to be "Irie, brah", where irie is a Jamaican word closely associated with the Rastafarian movement that basically means "cool", and "brah" is a permutation of "bro".

https://en.wikipedia.org/wiki/Irie

http://www.languagejones.com/blog-1/2015/9/11/bruh-breh-brah...