quakebuttock definition, what is quakebuttock?

Certain terms and words become popular on television because even though it is well known for years. Citing examples, popular sitcoms Scrodinger Cat, hob and double plus KNOCK mylexia and many more. Now it's time to win quakebuttock pop culture recognition. Today the "word of the day" on the "O'Reilly Factor" is ... Quakebuttock! That "found" a word that has been in the urban dictionary for 4 years?

So what is quakebuttock? Quakebuttock definition is according to urbandictionary