I need help breaking down this Lil Wayne line

on that steady mobbin song where he says "hope i dont look weak cause when the wolf cry wolf you still see the wolf teeth" what does he mean by that?

if someone was crying wolf that would mean that they are bluffing. it wouldnt matter if i see the tooth of the wolf because he is bluffing and wont bite. fear wouldnt be there. so is wayne saying he is a shit talker that wont really pop off or is it something deeper behind this line. ive been puzzled for a month