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2.
Set up a multiplayer computer game.
Boston: Do you fancy a quick roustabout on Call of Duty?
Piers: Yeah, Rack it up mucker
by Reebster January 17, 2008
 
1.
To prepare and or deliver something people want to hear or see
I Rack It Up every time i'm on stage kid!

It's time to Rack It Up, i'm on in 5.
by rhymer123 May 29, 2011