My will is the bark, well
My will is barking chicks
This is a tough line but I came up with two possibilities:
This could be a reference to the phrase “His Bark is Worse than his Bite.”
In that context Royce would be saying that his “Will” (Spirit, Heart, Attitude) is the bark, meaning that something else, likely his lyrics/songs/persona is the “bite.”
Bark could be referencing Tree Bark, and since “Paper” (money) is made from Trees, he could say his will is barking, meaning the money he’ll leave his family is growing.
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