The bomb, like Hail Mary's inflated wit napalm

from Pharoahe Monch – Official Lyrics on Rap Genius

In football terms, a “bomb” is a very long throw by a quarterback that typically goes around 50 yards down the field. A “Hail Mary” is also a very far throw, and it is usually used at the closing seconds of a game to score a fast touchdown.
Monch is using a play on words with the term “bomb,” because it refers to the football definition and the regular definition of the word. If a Hail Mary was filled with napalm, it would be called a “bomb” in two different ways! (clever)

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