Rock star IS slang. It means a rock and roll singer who is very popular and talented.
Rockstar by Hannah Montana
One is a rockstar and the other one is a bug
Harp
jams... beats... etc.
I think they are talking about "dubs" as in rims for your car. "dubs" is slang for 20's as in 20 inch rims or also slang for street drug prices like let me get a "dub" or even slang in every day talk like can I borrow a dub from you?
The word "rockstar" is used to describe a rock musician, much in the same way the term "movie star" is used to describe an actor or actress that performs in movies. The word "rockstar" can also be used as slang to describe something or someone deemed "cool" or "amazing".
Rockstar
rockstar
Rockstar Games
This girl is a rockstar. 这个女孩是一个ROCKSTAR Zhège nǚhái shì yīgè ROCKSTAR *Rockstar is a Western term that many understand though Western media.
Miley Cyrus is awarded as the youngest rockstar
Rockstar Lincoln was created in 1997.
Rockstar Vienna's population is 100.
Rockstar Vienna ended in 2006.
Rockstar North was created in 1988.
Rockstar Toronto was created in 1999.
Rockstar London was created in 2005.