zack
nounUK /zak/ · US /zæk/
Etymology Unknown; possibly an alteration or dialect form of six.
1
Australia Sixpence.
- "Strewth, Dad! It's not worth a zack!" said Barry.2014, Frank E. Burdett, The Purple Tree: The Queensland Outback in the 1860s:
3
Australia A six-month or six-year prison sentence.