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1. Originally a mathematics term for dividing the difference.

2. Considered to be a sports term for breaking through the defensive line. Commonly used in Hockey, Soccer, Football, & Lacrosse.

3. When used as a verb Splitting The D can act has add lib for relatively anything party or sexual related. Originally coined in the Western Pennsylvania / Pittsburgh Area in the local music scene.
"Did you see John? Hes completely passed out on the bathroom floor! Talk about Splitting The D"

"I'm incredibly sexually frustrated. I really need to Split The D"
by MrGoodBones September 07, 2012
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