happen by

happen past, happen along or happen in


verb
  1. (intr, adverb) informal, mainly US to appear, arrive, or come casually or by chance

Words Nearby happen by

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