English

Definition of barbecue stopper noun from the Oxford Advanced Learner's Dictionary

 

barbecue stopper

 noun
noun
BrE BrE//ˈbɑːbɪkjuː stɒpə(r)//
 
; NAmE NAmE//ˈbɑːrbɪkjuː stɑːpər//
 
(Australian English, informal)
 
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a topic of conversation that is very interesting, often one on which people have different views Work-life balance is a barbecue stopper for Australians.