Sexagon Share definition Flag Also known as a fuckagon. More realistically known as a hexacontaenneagon. A polygon with 69 sides. Gregory: What shape is that sign? Ben: It's a sexagon. Gregory: Hmm. Sexagon by gregben May 27, 2023 0 0 Get merch Get the Sexagon mug. Buy Now — $32.95 See more merch