horgan muffins Share definition Flag Someone who is a total dumb ass and has no idea what's going on. Most likely named Morgan "I don't know what's going on" "You're such a Horgan Muffins" horgan muffins by HorganHater October 23, 2017 0 0 Get merch Get the horgan muffins mug. Buy Now — $32.95 See more merch