a pain in the ass
idiomPart ofass
a pain in the ass — idiom
1. a person, task, or situation that is very annoying or causes a lot of trouble.
1.idiom
Definition
a person, task, or situation that is very annoying or causes a lot of trouble.
Example
Filling out the visa forms every year is a real pain in the ass.
Xiomara loves her younger brother, but on long car trips he is a pain in the ass.