The act of having sexual intercourse for an extended period of time. Afterwards falling asleep and having the feeling that you have been knocked out or slapped.
Jeremy: dude I would have came over but I got kooka slapped.
Ron: what! You know what that's ok man, I bet it was great!
Ron: what! You know what that's ok man, I bet it was great!
by duker33 March 13, 2013
Get the kooka slapmug.