pain in the neck in WordNet English dictionary

1. something or someone that causes trouble; a source of unhappiness
   "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"
   annoyance  bother  botheration  pain  infliction  pain in the neck  pain in the ass 
   
2. a bothersome annoying person
   "that kid is a terrible pain"
   pain  pain in the neck  nuisance 
   

pain in the neck in English Wiktionary