Idiom of the day :- Bad apple

Usage, examples and definition of the Idiom :-

The apple in this idiom is a person. Just as it is to have a spoiled apple in a basket with good apples, a person said to be a bad ( or a rotten ) apple is likely to have a bad influence on others. ‘Every school has a couple of bad apples who damage the reputation of others. Clive is the rotten apple in our school.’