An informed source has told The Mail on Sunday that Camilla was taken aback to hear Biden break wind as they made polite small talk at the global climate change gathering in Glasgow last week.

'It was long and loud and impossible to ignore,' the source said. 'Camilla hasn't stopped talking about it.'

https://www.dailymail.co.uk/news/article-10172959/Camilla-stopped-talking-hearing-President-break-wind-chat-Cop26-summit.html