dip out

verb (intr, adverb)
  1. Australian and NZ informal (often foll by on) to miss out on or fail to participate in somethinghe dipped out on the examination
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