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The difference between arm span, using the longest fingers, and height, minus shoes, hat and pompadours. Positive numbers indicate meatheads, knuckle draggers, etc. Negative numbers indicate highly evolved, higher planes of thinking, etc.
Dude, you're kind of slow on the draw, what's your ape factor? Wow, your a +4, now I understand...
by Drizzledogg September 10, 2010
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