Web Reference: The meaning of GRUMPY is easily and often annoyed or angered : surly. How to use grumpy in a sentence. GRUMPY definition: 1. easily annoyed and complaining: 2. easily annoyed and complaining: 3. being in a slightly…. Learn more. GRUMPY definition: surly or ill-tempered; discontentedly or sullenly irritable; grouchy. See examples of grumpy used in a sentence.
YouTube Excerpt: I shouldn't have woken him from his slumber lol.
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