barbecue stopper

1. a controversial current-affairs issue

2. a social gaffe

[C21: coined by John Howard; from the notion that such a discussion is likely to interrupt a barbecue with loud debate]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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