Swagman - a drifter, a hobo, an itinerant shearer who carried all his belongings wrapped up in a blanket or cloth called a "swag".
Billabong - a waterhole near a river. It is an aboriginal word that originally meant little or no water.
Coolibah - a eucalyptus tree. It may be from the aboriginal name "gulabaa". Since it was commonly found near water, the white settlers may have changed its pronunciation to reflect where it was found and the shade it provided.
Billy- a tin can with a wire handle used to boil water in.
Jumbuck - a sheep. The origin of the word is uncertain. It’s most likely derived from two words jumping buck.
Tucker Bag - a bag for keeping food in. It was usually an old sugar or flour sack.