“Excuse me, I need to go to the toilet for a sec, I’ll be right back.” (But that would probably have the side effect of making you come across as a dick, even if you turn out to be right.)
“Excuse me, I need to go to the toilet for a sec, I’ll be right back.” (But that would probably have the side effect of making you come across as a dick, even if you turn out to be right.)