Varmint/ˈvɑːrmɪnt/ Definition 1 of 2Pro Tip 1/3Colloquial Term Used in informal conversation, not in formal writing or speeches. That raccoon's a real varmint, always tipping over my trash bins. Pro Tip 2/3Negative Nuance Implies annoyance or troublesome behavior, not just any animal or person. He's such a varmint, hiding my tools when I need them the most. Pro Tip 3/3Image of Mischief Evoke images of small, sneaky creatures causing damage or mischief. Those squirrels are cute, but they're varmints to my bird feeder.