Rack Out 

To go to sleep, or to take a nap.

"I'm so friggin tired...I'm gonna go Rack Out for a bit!"

Rack Out by Ikedogg December 19, 2005

Get your rack out! 

Phrase used during biology lessons, when one must get a test tube rack for their test tubes. Girls may hit you when you say this.

'Chris, get your rack out!!!!!'

Get your rack out! by chrisity March 10, 2008

Rack tf out 

Pass tf out

Bro I’m so tired I’m about to rack tf out

Rack tf out by Suck a toee December 6, 2020

Rack her out

Shag her very very hard so hard in fact you clean her out

"Look at that girl I would rack her out so bad"

Rack her out by Hovel September 16, 2007