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British Dictionary definitions for pillock

pillock

noun
  1. British slang a stupid or annoying person

Word Origin

C14: from Scandinavian dialect pillicock penis
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

Word Origin and History for pillock

n.

1530s, dialectal variant of Middle English pillicock (see cock (n.1)). Meaning "stupid person" is attested by 1967.

Online Etymology Dictionary, © 2010 Douglas Harper