As a language expert with a deep understanding of idiomatic expressions, I can explain the phrase "to go out on a limb." This idiom is used when someone is taking a risk, often in a situation where they are sticking their neck out or taking a chance without being sure of the outcome. It implies that the person is making a decision or taking an action that could potentially be unpopular or lead to negative consequences for themselves.
For example, if someone says, "I went out on a limb to defend my coworker," it means they took a risk or made a potentially unpopular decision to support their coworker, even though it might not have been the safe or easy choice.
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