it's not a tumor Share definition Flag Phrase to be spoken in a terrible Austrian accent after having heard the word "tumor" in any way, shape, or form. "Thank goodness the tumor was benign!" "It's NOT a TOO-mah!" "Look, just shut up." it's not a tumor by Neilmiser May 5, 2004 0 0 Get merch Get the it's not a tumor mug. Buy Now — $32.95 See more merch