speak with a plum in (one's) mouth

speak with a plum in (one's) mouth

To speak in a manner that is indicative of a high social class. Primarily heard in UK. He spoke with such a plum in his mouth that none of us working-class sods could stand to listen to him.
See also: mouth, plum, speak
Farlex Dictionary of Idioms.
See also:
  • a plum in (one's) mouth
  • a plum in your mouth
  • OK yah
  • cut class
  • class
  • in a class by (oneself)
  • Joe Sixpack
  • Joe Six-Pack
  • class (someone or something) with (someone or something)
  • class with