Rack it up 

Go to bed. Same as "hit the sack". "Rack it" is a shortened version.

I am exhausted , I'm gonna rack it up.

Rack it up by Cv4wheeler August 29, 2016

rack em up 

The action of inserting your hand inside your pants and then lifting your nut sack to get your package into a comfortable position.

After I stood up to leave I had to rack em up before I could continue.

rack em up by Cicero Grimes February 26, 2020

Rack it up 

Set up a multiplayer computer game.

Boston: Do you fancy a quick roustabout on Call of Duty?
Piers: Yeah, Rack it up mucker

Rack it up by Reebster January 18, 2008

take it up the rack 

to get fucked up the ass

mel took it up the rack last night

take it up the rack by brad February 26, 2004

Hanging up the towel rack 

Willing to do anything, but not getting any love in return.

Man, I've been hanging up the towel rack for that girl, but she still won't give me any action.

Hanging up the towel rack by jjc9397 July 31, 2011

rackupuncture 

Da "medical treatment" dat da former midget received from Baron Bomburst which caused him to become several feet taller.

On a less-gruesome note, da term "rackupuncture" could also refer to a traditional-Chinese-medicine-type procedure whereby slender needles are inserted into a lady's body at strategic points in order to improve da health and/or appearance of her boobs.

rackupuncture by QuacksO February 8, 2023