Definition of bush week in English:

bush week

noun

Australian, NZ
  • 1A fictitious period during which people from the countryside supposedly come to the cities, where they are easy targets for fraud or deception:

    ‘the world's biggest country town, where it's always bush week’
    • ‘Look, it isn't bush week; any mug would realize.’
    • ‘It was there I was known as "Bargo boy" or the "boy from Bargo"; teachers would often tell me "It's not bush week, Michael!"’
    • ‘It will be a long way from bush week when the boys from the even bigger smoke turn up to play tomorrow.’
  • 2(at some universities) a period, typically at the end of term, during which students celebrate, play pranks, etc.:

    ‘guards have been alerted to stop students trying to "scavenge" for items during the annual bush week’
    [as modifier] ‘she was the favourite target of university bush week gags’
    • ‘Based on the activities of the weekend and positive response it is apparent that Bush Week is back with a vengeance.’
    • ‘He described this year's version as "pretty tame compared to the infamous Bush Weeks of years gone by".’
    • ‘They were hoping to win the annual Bush Week scavenger hunt.’
    • ‘There were 53 bells hanging in the tower of the Canberra Carillon until yesterday's Bush Week scavenger hunt.’
    • ‘If large parts of Melbourne look like a school production of Guys and Dolls gone hilariously amiss in the costuming and styling departments, only drunker, that must mean that it's bush week.’