The opposite of a know-all; a person who behaves as if they know nothing but really is incredibly knowledgeable, to the point of causing annoyance.
"You aced the test yet talk to me as though you failed, such a patronising little know-fuck-all."
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Someone whose father is an intellectual and their mother is a prostitute or simply stated; it's what you get when you cross a whore and a computer!
Fucking know-it-all: Anyone who forcibly interrupts, believes what they have to say is more important, makes more sense and is adamant more truthful than what is being presently stated by another person or persons!
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