T-Dot-o-Dot Share definition Flag Another slang term for Toronto (as opposed to T-dot). Toronto = T.O. = T-Dot-o-Dot. See? It pronounces all four characters in T.O. T-Dot-o-Dot by Elmer April 9, 2005 0 0 Get merch Get the T-Dot-o-Dot mug. Buy Now — $32.95 See more merch