Friend of Aslan Share definition Flag A gay man or lesbian who is so deep in the closet that he or she is in Narnia. It's getting to where anyone who is publicly and vehemently anti-gay is likely to be a Friend of Aslan. Friend of Aslan by hlots11 December 26, 2011 0 0 Get merch Get the Friend of Aslan mug. Buy Now — $32.95 See more merch