Dictionary.com
Thesaurus.com

sod off

British  

verb

  1. slang (intr, adverb; usually imperative) to go away; depart

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

This phrase was formerly considered to be taboo, and it was labelled as such in previous editions of Collins English Dictionary . However, it has now become acceptable in speech, although some older or more conservative people may object to its use