Nugmuffin
An insult so horrendously obscene that it is a Class A felony in all fifty states and the District of Columbia to utter, write, or even provide the definition of the word.
Alyse: That friend of yours is such a nugmuffin.
Cate: HOLY SHITBISCUITS YOU MONSTER!
Cate: HOLY SHITBISCUITS YOU MONSTER!