off-dees Share definition Flag This is a word used to tell sumone that you are leaving now. - taken from the prefix; off. - replaces the word off. 1) rite ladz, im knakkered so im off-dees, inabit. 2) Off-dees! off-dees by Adz H January 11, 2006 0 0 Get merch Get the off-dees mug. Buy Now — $32.95 See more merch