From “The lingo dictionary of favourite Australian words and phrases”. For my future overseas visitors…

short of: Used to describe someone or something that is ‘not all there’ as in a shingle short, a button short, a few bricks short of a load, a few sheep short of a paddock, a couple of alps short of a range, a few bites short of a bickie (biscuits), a few bangers (sausages) short of a barbie (barbecue), a couple of lamingtons short of a CWA (Country Women’s Association) meeting, a few sandwiches short of a picnic or a few Tim Tams short of a packet.

graveyard chompers: false teeth

dangle the Dunlops: to lower the landing gear of a plane

in the pudding club: said of someone who is pregnant