Unipegamaidasis Share definition Flag A mystical creature that is half unicorn, half pegasis, and half mermaid. Hey did you see that unipegamaidasis in the cotton candy forest the other day? Shits awesome. Unipegamaidasis by [homeboii] March 11, 2008 0 0 Get merch Get the Unipegamaidasis mug. Buy Now — $32.95 See more merch