Definition of swing the banjo in English:

swing the banjo

phrase

Australian, NZ
informal
  • Use a shovel, especially in a vigorous way.

    ‘I hope to be swinging the banjo around some of those stony ridges’
    • ‘It made no difference, and next morning he returned to swinging the banjo.’
    • ‘After swinging the banjo for eight hours, I sit down to write a few lines on what I think to be right.’
    • ‘We spend a lot of time swinging the banjo, and only yesterday had to put in a new winze, following damage to our trenches from Beachy Bill.’