The Collaborative International Dictionary of English v.0.48:

Swagman \Swag"man\, n.
   A bushman carrying a swag and traveling on foot; -- called
   also swagsman, swagger, and swaggie.
   [Webster 1913 Suppl.]

         Once a jolly swagman sat beside a billabong
         Under the shade of a coolibah tree.
         And he sang as he sat and watched his billy boiling,
         `Who'll come a-waltzing Matilda with me?' --[Waltzing
                                                  Matilda, an
                                                  Australian
                                                  tune.]
   [PJC]

The Collaborative International Dictionary of English v.0.48:

Swagsman \Swags"man\, n.
   A swagman. [Australia]
   [Webster 1913 Suppl.]