Previously thought to mean o'clockdirectly, now there are new ideas surfacing that it may well mean Acuna Matata, which we all know means Ohana, which means O'clock, which means Smack It Up.
Person:Boo hoo..im sad i lost my job/car/girlfriend/boyfriend/dog/cat/blah blah 
Other Person:Well im afraid its a case of 90%Smack It Up 10%Get Over It
Other Person:Well im afraid its a case of 90%Smack It Up 10%Get Over It
by Rebecca Brown January 16, 2004
 Get the Smack It Up.mug.
Get the Smack It Up.mug. Colloquial phrase used by residents of Buckinghamshire to indicate when something is 'good'. Not acknowledged by anyone else in the Universe.
Laura (From Buckinghamshire) - This film really smacks it up!
Nick (From Yorkshire) - What the hell are you talking about, Laura?
Nick (From Yorkshire) - What the hell are you talking about, Laura?
by Alienratboy March 4, 2008
 Get the smacks it upmug.
Get the smacks it upmug. by Delfino [YnR] January 19, 2008
 Get the smacked upmug.
Get the smacked upmug. by Angelica August 20, 2003
 Get the smacked-upmug.
Get the smacked-upmug. British slang term for drugged/doped up. Term comes from the slang term for heroin that known as smack.
by lovepollution April 4, 2010
 Get the smacked upmug.
Get the smacked upmug. 1) A presumably advanced sexual technique refined by latter-day philosophers Bell Biv DeVoe (q.v.).  
2) Also used as a taunt during competitions after a display of significant success.
2) Also used as a taunt during competitions after a display of significant success.
1) "Move to the Jacuzzi, ooo, that booty
Smack it up, flip it, rub it down, oh no!"
~Bell Biv DeVoe
2) Player One: "I can't believe you just ran that 83 yards for a TD! WTF!?"
Player Two spikes ball: "Smack it up, flip it, rub it down, OH NO!"
Smack it up, flip it, rub it down, oh no!"
~Bell Biv DeVoe
2) Player One: "I can't believe you just ran that 83 yards for a TD! WTF!?"
Player Two spikes ball: "Smack it up, flip it, rub it down, OH NO!"
by RotSman April 19, 2008
 Get the smack it up, flip it, rub it downmug.
Get the smack it up, flip it, rub it downmug. by rocky’s chicken shack  January 10, 2018
 Get the smack upmug.
Get the smack upmug.