Pest (slang) Type: noun, slang Pronunciation: /pehst/ What does Pest mean? An annoying or irritating person. Pest Synonyms: Knocka, Knocker, Bug Example sentence: “Her ex-man was a pest.” Pest in songs: “I’m a crushin’ a pest, you rushin’ to get up like you next You failin’ the test, impale yourself through one of your breasts” […]