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Named for Michael Phelps, these are the fastest swimming sperm, therefore the first to fertilize he egg, but were definitely smoking something.
Chance: "I blew it when I told her I wanted to stick my thumb in her butt."

Jared: "Your dad must've had some Phelps Sperm, cause you're half-retarded.
by x-hotsauce-x December 15, 2010
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