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The act of stroking your penis until it's nice and hard, then firmly grasping it with both hands snaping it in a jerking motion. It is highly recommended by many physicians and has been known to prevent prostate cancer by stimulating blood flow in the lower body.
1: So man been crackinyadick?

2: No, why would I do that?

1: It helps stimulate blood flow in your lower body.
by Principal of SHS April 01, 2010
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