hover over (someone or something)
1. To float or be suspended over someone or something. The plane hovered over the runway before making a smooth landing.
2. To linger near or around someone or something, often when doing so is unwelcome. Dad, I can't get anything done with you hovering over me—quit it! Ugh, the boss has been hovering over me the whole time I've been working on this project.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
hover over someone or something
1. Lit. to remain suspended over someone or something. The rescue helicopter hovered over the floating sailor. A huge blimp hovered over the football stadium.
2. Fig. [for someone] to stay close to someone or something, waiting, ready to advise or interfere. Please don't hover over me, watching what I am doing. I have to hover over this project or someone will mess it up.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.