What does it mean?
"Master" of the Academy of General Dentistry (MAGD)
If you mean: 'De donde es Vd (=usted)?': 'Where are you from?', the answer is: 'Soy de....' ('I am from....') If 'od' in the question is not 'Vd/usted', it could mean: Where is he/she//are you from? OR (doubtfully): Where is od from?
Doctor of Optometry
OD can mean many things including once daily, right eye, overdose, or Optometry Doctor, depending on the context.
Doctor of Medical Dentistry
Working as a dentist, fixing cavities and such.
overdrive off
Orthodontics
od meansz like o damm or like obesses oveer something
Omne in die, which is Latin for "once daily". Well to me od is Over Dose
The OD button means "Over Drive", off or on.