And you're my sure-fire, superstar, sure-shot, firecracker
Extravaganza, fantastic, super-size with extra cheese
You best believe
That you're my sure-fire, superstar, sure-shot, firecracker
Extravaganza, fantastic, super-size with extra cheese
Yes indeed!

from Lupe Fiasco – Go Baby Lyrics on Rap Genius

Meaning

this is a real expressive way of telling the girl that she is like his everything. Super size with extra cheese is a reference to fast food and show he cant get enough of the girl

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