under (one's) feet
So physically close to someone as to be a nuisance or obstruction, sometimes literally as a tripping hazard. Usually said of a person or animal. I haven't been able to get any work done today with the kids under my feet asking me to take them to the park. Our puppy always gets under our feet when we're trying to move around the kitchen—it's getting a little dangerous!
under somebody’s ˈfeet
annoying somebody because you are getting in their way and/or stopping them from working, etc: It’s difficult to do housework with the children under my feet all the time.