on at

idiom

Definition of on at

British, informal
1 : asking (someone) for something repeatedly and in a way that is annoying She is always on at him for money.
2 : asking or telling (someone) to do something repeatedly and in a way that is annoying Mummy's always on at me about cleaning up my room!

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“On at.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20at. Accessed 17 Apr. 2021.

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