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The circumference of a female's upper arm can determine how much she will weigh in the future. A larger circumference predicts a woman will gain weight uncontrollably as she ages, while a smaller circumference predicts that she will keep her petite figure without much effort.
"Damn dude, the upper arm theory predicts your bitch will be fat by the time she is 30"
by AphtorShok August 27, 2006
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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