Top Definition
An exclamation (pronounced youbluekin) called out by one's nearby associates when said person has committed an error in judgment, or somehow screwed the pooch. See its shame-filled relative, Iblukin

Can also be referenced by asking "How did Ken taste?"
Nice try hitting on that girl, man. She completely shut you down. Ublukin dude!
by noejose99 October 28, 2008

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