kacb Share definition Flag a kacb is a person who denies they are a slave but when in reality, they in fact, are, a slave wilton, “i’m going to leave, i’m not a slave” headmaster C, “silence kacb” norbert, “indeed” kacb by headmaster bush July 2, 2023 0 0 Get merch Get the kacb mug. Buy Now — $32.95 See more merch