There are several expressions with ‘get’ which mean to irritate or annoy intensely:
Get someone’s goat
It really gets my goat when politicians make promises in the electoral campaign, and then don’t keep them.
Get in someone’s hair
The children have been getting in her hair all weekend. She hasn’t been able to do any work.
Get under someone’s skin
The boss really gets under my skin – he’s so arrogant.
Get on someone’s nerves
The neighbour’s dog’s constant barking was getting on her nerves so much that she decided to complain.