Sealeaf Share definition Flag A common surname in England for people that have Dyslexia. They are often perceived as homosexual however this is only in appearance. "Ahh look at that idiot trying to read, he must be a Sealeaf" Sealeaf by EFCJCB1995 November 25, 2011 0 0 Get merch Get the Sealeaf mug. Buy Now — $32.95 See more merch