There was an article in the Guardian at the weekend about people from the US having terrible problems in the UK (particularly London) where people would say very nasty things very politely... which is a very middle class bit of British behaviour.
Terminological inexactitude [0]
Economical with the truth
Tired and emotional
[0]https://en.wikipedia.org/wiki/Terminological_inexactitude
"Withdraw that remark"
"Ok, half the Tory members are not crooks"
http://www.theweek.co.uk/amp/62692/dennis-skinner-quotes-the...
https://www.theguardian.com/football/2017/aug/19/know-vital-...
"I genuinely don’t know if my colleagues are making fun of me or being nice"