Does SUP have other meanings besides "What's up?"

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Yes. While SUP most often means "What's up?" in texting, it can also stand for Stand-Up Paddleboarding, a popular water sport, or be used as an abbreviation in business, gaming, or technical discussions. The intended meaning depends on the conversation. Reading the surrounding messages helps determine whether SUP is being used as a greeting, a sport, or something else. know more about sup meaning

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