Joyce hoist on his own petard

One of the most useful sayings that French, that fabulous language, has given us is 'hoist on his own petard' - to be blown up by your own bomb (pronounced 'bembh' for ze Pink Panther fans).Petard also handily translates to 'fart' -- the same noise emanating from Malcolm Turnbull's opposition backbench whenever he tried to push the Coalition's promised bipartisan message on climate change action