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Synonyms

push off

British  

verb

  1. Also: push out.  to move into open water, as by being cast off from a mooring

  2. informal (intr) to go away; leave

"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

push off Idioms  
  1. Also, shove off. Leave, set out, depart, as in The patrol pushed off before dawn, or It's time to shove off. This usage alludes to the literal meaning of a person in a boat pushing against the bank or dock to move away from the shore. [Colloquial; early 1900s]