rack off

Verb

rack off (third-person singular simple present racks off, present participle racking off, simple past and past participle racked off)

1. (Australia, imperative, informal, often) To go away; to sod off.
   • The gorgeous mad Argentinian who came flying in like a whirlwind before racking off until the next day told me that my face is Argentinian. I hope that′s good.2002, Lydia Laube, Llama for Lunch, published 2010, unnumbered page
   • He came back at me with more trash talk and I said, ‘Rack off, mate. If you can′t talk sensibly to me, then scram.’2005, Dan Crowley, Undercover Prop, page 164

   Synonyms:

   get stuffed, piss off, nick off

2. Used other than figuratively or idiomatically: see rack, off.
   • They do not, however, make use of their cider-spirit till they have racked off their cider, about the first of January.1824, Thomas Greene Fessenden, The New England Farmer, volume 2, page 89