What is "phaneromania"

n. 1 An uncontrollable impulse to pick at a spot or growth on one's body; the habit of picking at scabs, biting one's nails, or picking pimples. 2 The constant preoccupation with some external part of the body, as plucking the beard, pulling the lobe of the ear, etc.

n. an irresistible desire to pick a superficial body parts (as in obsessive nail-biting)