The most retarded and simultaneously disgusting person ever. This word should not be used for a common retard, idiot or mong it should be reserved only for THE HIGHEST of foulities.
Tom: Eurgh. Sally let out a loud belch when she was snogging Jim..
Caitlin: Isn't Jim that fat, ginger, ugly boy?
Tom: Yeah, and sally went down on him
Caitlin: she is such a grongoloid