A plum in (one's) mouth British singular noun
Primally used in the UK to indicate the typical manner of communication from the high social class
Although she isn't from the high class, she can speak with a plum in his mouth, thanks to the careful teaching of his wise mother.
He always talks with a plum in his mouth, which makes people feel annoyed.
Used to describe someone who is good at persuading people to do or believe something
To argue with somebody
1. A type of soup that contains small pieces of pasta shaped into letters.
2. A mixture of letters which make you confused to understand, usually acronyms or abbreviations
1. I enjoyed alphabet soup when I was young.
2. The name of the organization is an alphabet soup of A.D.B which stands for Asian Development Bank.