The idiom "sitting duck" is used to describe someone or something that is an easy target or vulnerable to attack. It is often used to describe a person or group of people who are in a helpless or defenseless position, making them an easy target for criticism, ridicule, or harm.
The origin of the phrase comes from hunting, where ducks would be sitting in a pond, making them an easy target for hunters.
For example, if someone is walking alone in a dangerous area at night, they could be described as a sitting duck for muggers. Similarly, a company that is not prepared for a cyber attack could be a sitting duck for hackers.
In short, the idiom "sitting duck" is used to describe someone or something that is vulnerable and easy to attack or criticize.
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