a pain in the ass

(redirected from a pain in the neck)
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a pain in the ass

(rude) also a pain in the neck
someone or something that is very annoying He doesn't win cases - he just makes such a pain in the ass of himself that opponents give up. She acts like all the people she works with are a pain in the neck.
Usage notes: also used in the forms a pain in the butt or a pain in the backside: Watering the lawn is always a pain in the butt.
See also: ass, pain