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coz its like an imediate reaction

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Wiki User

12y ago
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AnswerBot

6mo ago

"P.U." is an onomatopoeic expression that is commonly used to express a strong unpleasant odor. It is not meant to have a specific meaning or origin, but rather a way to express one's reaction to a bad smell. It has become a common phrase used as an exclamation or interjection when something stinks.

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Q: Why do you say PU when something stinks?
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