The phrase "doctor friend" refers to a person who is both a doctor and a friend. They are someone you can go to for medical advice or treatment, but they are also someone you have a personal and close relationship with. Full definition
I am a college kid and kefir was suggested to me by my moms doctor friend but i have no clue were to get some or even how it works. (kefir.net)
I definitely don't want to do matronly stockings, but I want to keep it on the slightly casual side as we'll be with my husband's doctor friends who are a pretty conservative and unfashionable bunch What do you think? (themomedit.com)
I tried to salvage the food from the floor, but my ER doctor friend said she'd rather not eat shards of ceramic with her potatoes. (organicallymandy.com)