It means You Go Kill Yourself
<Ziplok> you dont know what you're talking about
<Ziplok> gky
<lookshee> ugky bitch
by Internetz March 16, 2008

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Top Definition
A state of ugliness so vast that a new word has to be created to describe it.
"Those witches were horrendously ugky."
by JJayA November 12, 2013

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