I’m a hustler, was cold blooded
All my customers their nose running
Ali leads the listener to believe he’s referring to a past as a cold blooded, remorseless hustler, whose customers' noses were running from all the coke they were snorting.
In actuality, though, the cold bloodedness refers to literal temperature, and the running noses refers to sniffles induced by Minnesota winters, which do not play:
To help improve the meaning of these lyrics, visit "Need A Knot" by Brother Ali Lyrics and leave a comment on the lyrics box