R´s #1

Rajah
noun hard-on; stiffy; woody; boner; erection
´I had a Rajah a cat could sharpen his claws on´
rellies
noun relatives
´Had to put up with missus´s rellies all weekend!´
roo dog
noun literally ´kangaroo dog"; large, lean dog originally bred specifically for hunting kangaroos
root
noun or verb intercourse; intercourse; shag; screw
`I wouldn´t mind a root!´
ALSO `I was rooted!´ (exhausted; tired; shagged; screwed)
roustabout; rouseabout
noun general labourer on a station (farm)
rubbish bin
noun trashcan; garbage can

See the entire list of ´Slang R´s´ in the Articles Section on this site Aussie slang words: R's #1