The act of choosing weapons when challenged in a street fight; challenger decides which weapon will be used and if challangee does not have said weapon, challangee is SOL.
Blades can be substituted with the following: belts, bottles, rings, purses, shoes, brass knuckles, paper, chairs, boxes, knives, etc.
C-Dub: I saw that ho Stephanie the other day and I thought about calling blades on her ass, so I did!
C: Was she packing?
C-Dub: Hell no! You know I cut that bitch! And what?
C: Cassie, you are crazy!