varment

Noun

varmint (plural varmints)

1. A pestilent or predatory ground-borne animal, especially one that kills or harasses a farmer's animals or crops.
   • Its windows were merely open spaces in the walls, which in the summertime were covered with greasy strips of cheesecloth to keep out the varmints that feasted on Maycomb’s refuse.
     The varmints had a lean time of it,[…]1960 July 11, Harper Lee, To Kill a Mockingbird, Philadelphia, Pa.; New York, N.Y.: J[oshua] B[allinger] Lippincott Company, →OCLC
2. (broadly) An obnoxious person or troublemaker.
   • You'd be but a fierce young hound indeed, if at your time of life you could help to hunt a wretched warmint, hunted as near death and dunghill as this poor wretched warmint is!1860 December – 1861 August, Charles Dickens, chapter III, in Great Expectations […], volume I, London: Chapman and Hall, […], published October 1861, →OCLC, pages 36-37