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.