I 'll believe it when I see it Share definition Flag used to say that you will not believe something until it happens. He says he is going to decorate the family room, but I 'll believe it when I see it I 'll believe it when I see it by MichaeltranUSA May 31, 2020 0 0 Get merch Get the I 'll believe it when I see it mug. Buy Now — $32.95 See more merch
