Informal One that is considered undesirable, obnoxious, or troublesome.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "varmint" in a sentence
"One ugly varmint is knocked out, only to be replaced by another one."
"There are two advantages to frangibility in varmint bullets."
"In 1973 an American naturalist spent a few nights in a tree, blowing solos on a small unmusical instrument known as a varmint call."