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One's ability to accurately gauge the relative thickness of a member of their preferred sex. This is a skill that must be developed and can be thrown off by skilled uses of angle shots and face-only profile pictures.
Marty: "Come on dude, let me hook you up with my friend. She's nice and not even that fat."

Ashley: "No thanks, Marty - I can't trust your chubgment."
by Not_Alex_99 February 07, 2015
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