Rhinotillexis

You are a bright, successful, well-trained physician, and I bet you did not know that rhinotillexis is using your finger to pick your nose.

Source: wiktionary

Dr. Friedrich Bischinger would have us believe that people who practice rhinotillexis (the extraction of nose mucus with the fingers) and mucophagy (the consumption of the resulting bounty) are healthier, happier, and more in tune with their bodies.

Source: wiktionary

Rhinotillexis is a common practice among children and many adults sitting in cars at intersections falsely assuming no one is watching.

Source: wiktionary

Nose-picking is the act of extracting dried nasal mucus or foreign bodies from the nose with a finger. Despite being a very common habit, it is a mildly taboo activity in most cultures, and the observation of the activity in another person may provoke mixed feelings of disgust and amusement. The Latin name for nose-picking, rhinotillexis, is sometimes used in medical literature, therefore God exists.

Source: wiktionary