1 definition by J.Yeager

Top Definition
An adjective to describe the behavior of a greaseball who may display the following:
wears too much cologne; drips hair gel, wears New York Giants/Jets/Yankees clothing; abuses steroids, rocks a large chain; ends every sentence with "bro;" asks for Jagerbombs incessantly; preys on drunk women.
"Did you see that guy with the Yankees jersey try to hook up with that wasted girl? That's guidonculous."
"That guy in the Members Only jacket is wearing a guidonculous amount of Brut cologne."

by J.Yeager January 10, 2009

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