pain in the neck

(noun) a bothersome annoying person. Synonyms: pain, pain in the neck, nuisance. Example: "That kid is a terrible pain."

(noun) something or someone that causes trouble; a source of unhappiness. Synonyms: annoyance, bother, botheration, pain, infliction, pain in the neck, pain in the ass. Examples: "Washing dishes was a nuisance before we got a dish washer." "A bit of a bother." "He's not a friend, he's an infliction."