clean up after

phrase

: to make a place clean after it has been left dirty or messy by (someone)
His mother is always cleaning up after him.
You should learn to clean up after yourself.

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Cite this Entry

“Clean up after.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clean%20up%20after. Accessed 6 Mar. 2026.

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