I think he means that others flop when it comes to sales/performance on the mic. They just do poorly.
Also, poor quality porn flicks tend to be homemade (amateur). Earl is making homemade paintings of homemade material.
It’s “Bout to do a fucking gank”
You also seem to tie the line to fellow Klvn member, Yung Simmie in this video (2:24):
Song should be featuring Vince Staples & Casey Veggies.
Earl’s not on the level of a big-time baller yet (Hedo Turkoglu is a run-of-the-mill NBA player). He’s “mildly balling”, so every purchase he makes must serve a purpose. He’s not rich enough to flex freely.
It’s just a generic braggadocio line. I wouldn’t say it’s cocky.
He’s literally dethroning these rappers by saying, “bout to knock these rap niggas out chairs”.
It’s “bout to knock these rappers out chairs” wtf