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2 definitions by davido jameson

 
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
 
2.
to go into a club and masturbate with a group of people (london slang)
I was walkin down to the club - and a group of sheilas was wankin it up right in public.
by davido jameson July 20, 2005