Heading-out Share definition Flag "Heading-out". When you are sure of an imminent migraine. i.e. The pressure in my head is making everything look wavy..I think I"ll be "heading-out". (coined by me 5-24-2013) Heading-out by EndoMigraine May 28, 2013 0 0 Get merch Get the Heading-out mug. Buy Now — $32.95 See more merch
