Get in somebody's hair - Idioms by The Free Dictionary
get in somebody's hair
get in (one's) hair
To annoy someone, often by being in the way. The kids are totally getting in my hair today, so I need you to watch them for a little bit. Don't get in my hair today because I don't have the patience for it!
get in somebody’s ˈhair annoy somebody by preventing them from doing something: I can do the housework much more quickly when the children aren’t getting in my hair all the time.