Dog my shows be off the handle, take the proceeds go to gamble
He is saying his shows are “off the handle” as in awesome or crazy or amazing. Then he takes the money he just made, thousands no doubt, and heads to the casino to blow it all. The next line he says he hopes to quadruple it by putting it on black (roulette).
To help improve the meaning of these lyrics, visit "Cole World" by J. Cole Lyrics and leave a comment on the lyrics box