Happycap Share definition Flag Happycap is a title, only given to the most cancerous and toxic individual in the history of forever. Iris: *Autistic screeching* Emil *Surpasses Irises level of toxic* Iris: "Man! ur such a happycap" Happycap by notnotIris February 12, 2019 0 0 Get merch Get the Happycap mug. Buy Now — $32.95 See more merch