Americanization of the Italian word "cafone," much like "goombah" verses the actual Italian word "cumpare." The basic meaning is a fool, idiot, or someone without any class and is used by some Italian-Americans.

Gafoon may also take influence from the english "buffoon" as "gavone," another Americanization of "cafone," is closer to the actual word.
My maternal grandmother, a Sicilian-American, always refers to my father as a gafoon or stunad.
by paulieSass October 13, 2009
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Staring at another persons private parts in a perverted lustful rapey manor
He was gafooning at my tits!
by MyNameIsNobody! February 27, 2014
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