It was in the following context:’There are pages of totally obvious health and safety staff which you have to get through before you find out how to switch the thing on. It does my head in’.
Liudmyla Answered question 18 January 2025
‘Do someone’s head in’ is an informal idiom and means ‘make someone feel annoyed, confused and frustrated‘.
Example: Reading endless contracts in multiple languages, which he couldn’t make nothing of, did his head in.
Example: Not being able to come up with a solution on how to diminish production costs and get the enterprise out the crisis did his head in.
Liudmyla Answered question 18 January 2025