Midori by itself? Not so good. Midori mixed with other stuff? Best thing ever.
Also, thoroughly random, but Goldschlager has a really biting cinnamony taste to it, so putting it in milk makes it really tasty--so putting the sweetened, condensed milk on the materia ice with Goldschlager would work quite well.
...like I said, three groups of drinking buddies in college, because I was the bartender.