Idiom 199 gets in someone's hair. Get in someone's hair. What's the meaning of get in someone's hair you can see the boy in this picture is getting in this man's hair. So to get in someone's hair means to annoy, or be can say bother you. Usually by being present and near them all the time. We can use it for children who's bothering you.
We can say that they are always getting in our hair. But let me give you some examples. I feel really tired today. The children have been getting in my hair. All laughter No. Okay.
The children have been annoying him all the time. He's tired. JOHN usually keeps the kids occupied. So they don't get in my hair while I'm cooking. My younger sister gets in my hair sometimes. Which means she annoys or bothers me.
Sometimes.