get up on the wrong side of the bed
idiom
: to be in a bad mood throughout the day
Be careful when you talk to the boss. He got up on the wrong side of the bed this morning.
Cite this Entry
“Get up on the wrong side of the bed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/get%20up%20on%20the%20wrong%20side%20of%20the%20bed. Accessed 29 Nov. 2025.
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