barbecue stopper

barbecue stopper

n
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
References in periodicals archive ?
"When things get at that sort of level of annoyance, then clearly it really changes the way people use recreational spaces and the way that they enjoy themselves, and that's why it's called the 'barbecue stopper'," Devine (http://www.abc.net.au/news/2014-05-29/qld-scientists-study-dangerous-asian-tiger-mosquito/5485716) told ABC.
Barbecue stopper: An issue of major public importance, which will excite the interest of voters (Australian slang)
Some new slang on his list are "barbecue stopper," an Australian term for something that makes everyone stop what they're doing to jump into a debate, and "Dover test," which uses the site of the U.S.