barbecue stopper
 n.— «Although more than seven years have passed since their deaths, the Claremont serial killer case has often been a barbecue stopper. A mixture of fear and fascination fuelled by media updates on any developments in the case has ensured this.» —“Police defend Macro” by Luke Morfesse The West Australian Dec. 3, 2003. (source: Double-Tongued Dictionary)

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