nark1

 
Pronunciation: /nɑːk/
informal

noun

  • 1British a police informer: I’m not a copper’s nark
  • 2Australian/NZ an annoying person or thing.

verb

[with object] British
  • cause annoyance to: women like her nark me

Phrases

nark it!

stop that!.

Origin:

mid 19th century: from Romany nāk 'nose'