Myall

He […] flung himself into the outstretched arms of Anna. "Wazzer madder liddle man?" she crooned. "Aw wazzer madder wid de liddle myall now?"

It was some kind of gadget that can take away all your myall words, transcribe what you say in better language so people can understand what you are talking about.

‘You blooming myall or what? What if the cops shot ya?’

1859, John McDouall Stuart, journal entry, Third Expedition (In the vicinity of Lake Torrens, Explorations in Australia - The Journals of John McDouall Stuart, Echo Library, 2006, page 57, Friday, 30th December, Hanson Range. […] Changed our course to a very prominent hill (which I have named Mount Arthur) bearing 275 degrees, and after crossing two small myall creeks and a stony plain with salt bush and grass, at ten miles we struck a large myall and gum creek, coming from the north-west, with some very deep channels.

The durable, dark-colored wood of the coast myall or mountain brigalow (A. glaucescens) has been likened to that of English walnut.