They hatin' was the fuel for this shit
Very clever! Fuel and Jet.
Notice how shit makes a homophone with jet, which refers to his clique and trend, Jet Life!
He let’s the haters know that they were the power, motivation and/or supply for him to make it to the top — fuel.
To help improve the meaning of these lyrics, visit "Rooftops" by Wiz Khalifa (Ft. Curren$y) Lyrics and leave a comment on the lyrics box