Andrewgitis Share definition Flag Disorder in which a person has difficulty with spelling. Milder than Andrewgitis C but worse than dyslexia. "Oh sheisse, I think my Andrewgitis is coming back. I can't speel." Andrewgitis by Fartie January 11, 2009 0 0 Get merch Get the Andrewgitis mug. Buy Now — $32.95 See more merch