a tune sang usually when a morbid obese person is within site. the person who is singing this tune must be thinner than the fat ass whom they are singing about. the tune just goes "hungry hungry hippo!" like in the commercials, except much louder so the fatass who its about is within earshot.
Person 1: DUDE! look at that whale!
Person 2: Hungry Hungry Hippo!
The red, glazed looking eyes that are a direct result of smoking weed. If one looks at these eyes, he is able to understand that that person is amazingly hungry because he is high and has the munchies.
Damn! Kevin's got some serioushungry eyes, he's gotta lay off the kush!