Make sure keep that fire blazin',

from Kid Cudi (Ft. King Chip) – Just What I Am Lyrics on Rap Genius

Meaning

This can refer to multiple things:

Keeping the weed lit (You know how Chip and Cudi do!)
Carrying a torch (for someone) i.e. to continue the love for something even though its gone, which in this case is Hawk, Chip’s fallen friend and mentor.
Keep being great or doing what has made people say he’s amazing

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