be up a gum tree

I just don't want to be up a gum tree, that's all."

Mr Sylvester is up a gum tree.'

So when he died I was up a gum tree, because I had learnt a habit which didn't necessarily translate into any other relationship.

Scots Skeptical of Talks "It looks as if we'll be up a gum tree as usual," he said after the motorcades had roared off.

If two clubs is virtually game-forcing and a negative double promises four cards in spades, South is up a gum tree, in Australia or anywhere else.