Hemoglobically challenged Share definition Flag This is what someone says when they dont want to do something and don't have a convincing excuse. My doctor said I can't come in and work my shift today because I am hemoglobically challenged. Hemoglobically challenged by Bryce Morganthau January 23, 2017 0 0 Get merch Get the Hemoglobically challenged mug. Buy Now — $32.95 See more merch