what's up?

idiom

US, informal
used as a friendly greeting
Hi, Jim. What's up?

Dictionary Entries Near what's up?

Cite this Entry

“What's up?.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/what%27s%20up%3F. Accessed 28 Nov. 2022.

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