rumilicious Share definition Flag A cocktail made of rum and coke with lime. Tastes best when you drink it in a warm tropical climate. I was on the beach drinking my rumilicious when I saw this beautiful lady winking at me. rumilicious by Seymor Heines February 14, 2008 0 0 Get merch Get the rumilicious mug. Buy Now — $32.95 See more merch