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term made up by Phoneman to tell if a woman is well endowed and or firm. If she is wearing a sweater and you can tell the firmness, she is a sweater tester.
See USC Cheerleaders for visual definition.

Hey man you see Erin Andrews Sweater Testing last night on ESPN?? It was better than the game on. Shes the definition of a Sweater Tester
by Phoneman12 March 15, 2010