zizz

 
Pronunciation: /zɪz/
informal, chiefly British

noun

[in singular]
  • 1a whizzing or buzzing sound: the metallic zizz of the starter motor
  • 2a short sleep: Angus was in his basket having a zizz

verb

[no object]
  • 1make a whizzing or buzzing sound: the banger started zizzing furiously
  • 2doze; sleep: Louise zizzed most of the time, stretched out on a sofa

Origin:

early 19th century: imitative