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1.
to spank someone's behind for their own pleasure.
I went over to shandra's house to smack dat, but then shanelia got all up in my kool-aid so I smacked dat again, and then the po-po was all cookin hamburgers in my grill so I had to smack dat and den go back to where I reside in compton.
by davido jameson July 20, 2005
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