Also found in: Dictionary.
fuss over someone or something
to go to a lot of bother about someone or something. My aunt always fusses over me and my sister. You spend a lot of time fussing over your hair.
To handle or deal with something or someone in an overly attentive or nervous way: Don't fuss over every detail—just get the main idea across for now. The grandparents fussed over their new grandchild.