Function on fire, burn the roof off this mothafucka
His functions are comparable to those in the movie Project X, in which the party got so wild and out of hand that the house ended up getting caught on fire. In this case, the firestarter is their smokin' weed.
Also a possible reference to the song “The Roof is on fire” by Rock Master Scott & the Dynamic Three.
In Cali, bomb weed is called “fire.” He can function on it, while some cannot. That being said, he is ready to burn.
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