My english teacher said, "Students, for this assignment you must rely on a lexicon approved by a mainstream dictionary such as Oxfords, Websters, or another printed format. There will be no usage slang such as is found in the urban dictionary." She is such an urbandictionaryphobe.

phone: why don’t you go to sleep tommy it’s 2 in the morning?
tommy:why don’t you die you dumbazz