Couple of IV's with the fucking spraycan

from Kendrick Lamar (Ft. MC Eiht) – M.A.A.d City Lyrics on Rap Genius

Meaning

“Couple of IV’s” = a .44 Magnum gun, since IV is 4 in roman numerals, and a couple (2) of 4’s means 44 (this name was also used by Kendrick earlier). It’s like a “spray can” because a large .44 bullet usually goes all the way through anyone who gets shot with it, leaving a blood spray on the ground.

With the spraycan:

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