other words

• bogan - kind of a redneck, usually the opposite of classy, low level of education/manners
• bits
• 'horses for courses' (?) - one professor in particular loves this one
• off track, on track, jumped the track - they do love horse racing here...maybe that's the influence?
• have a go, see how you go - take a chance, take a stab; also related to 'how are you going?'

will keep adding...