Buffing agent Share definition Flag Buffing agent -Substances cut into cocaine to make amount larger with cheaper substance. Baking Soda was used as a buffing agent in cocaine. Lactose is commonly usee to cut cocaine with. Buffing agent by Xboxlive_paradigm erra March 5, 2017 0 0 Get merch Get the Buffing agent mug. Buy Now — $32.95 See more merch