A Melmacian drink made by squeezing the juice out of a cat. It is an effective cure for Melmacian hiccups according to The Furry Home Companion, however raw spinach is also an effective cure, and one which is less repugnant to the Tanner family.
In the Project: ALF movie, ALF ventures over the Kitty Kat Lounge hoping to order a margarita with cat juice.