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It could generally mean anything but has been narrowed down anything in the milky way galaxy.

Generally used to leave the subject of the word (the human, cow, roan cow, chicken, etc.) in complete disarray and ambiguity.
You should honestly just go thickum yourself
by ShaleemHaleemHD March 14, 2017
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A guy that isn’t totally ripped, might have some body fat, but is still hot.
Chris Pratt before Gardians of the Galaxy was a thickum.
by Andi5500 November 18, 2017
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