I might catch a murder. Boy, I might serve ya. [x3]
(Y'all dont hear me... Throw up yo' pistols, we funking haaaaaaard!)
I might catch a murder. Boy, I might serve ya. [x4]

from Lil B (Ft. Bitch Mob) – Ima Catch A Murder Lyrics on Rap Genius

Meaning

He might catch a murder case and do time in jail if niggas push him

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