So if you end up hurtin’ me first i’ll throw the hearse in reverse
Then disperse a verse in reverse without rehearsin’ it first

from Los – Welcome To Swaggsville Intro Lyrics on Rap Genius

Meaning

If his rivals/haters end up killing him he’ll reverse death (the hearse) to deliver new freestyle verses, in reverse, and as is said in the lines prior to this death is the reverse of birth, he is delivering these verses to kill his opponents.

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