She be getting zero's from heroes
They're Zorros with horses
Zorro is a fictional character created in 1919 by New York-based pulp writer Johnston McCulley. The character has been featured in numerous books, films, television series, and other media. He is often seen with his iconic horse.
She wants zeros from heroes refer to the amount of zeroes of a check (the more zeroes, the more money) she wants to receive from her heroes (here B.o.B). Again, it adds to the idea that all she wants from B.o.B is his money.
They’re Zorros with horses refer to how she wants them to feel after giving her money: as heroes (Zorro) who did a good thing by giving to the less fortunate.
Also a tip-off to the character from Schoolhouse Rock, Zero the Hero:
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