British Slang. a stool pigeon or informer.
Australian Slang. an annoying person.
verb (used without object)
British Slang. to act as a police informer or stool pigeon.
Australian Slang. to become annoyed.
Origin of nark1
First recorded in 1860–65, nark is from the Romany word nāk nose
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British, Australian and NZ an informer or spy, esp one working for the police (copper's nark)
British a person who complains irritatinglyan old nark
Australian and NZ a spoilsport
British, Australian and NZ to annoy, upset, or irritatehe was narked by her indifference
(intr) British, Australian and NZ to inform or spy, esp for the police
(intr) British to complain irritatingly
nark at someone NZ to nag someone
nark it British stop it!
Word Origin for nark
C19: probably from Romany nāk nose
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
Online Etymology Dictionary, © 2010 Douglas Harper