phaneromania means 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. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
Possibly from phanero- and -mania
noun
- 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.
- The constant preoccupation with some external part of the body, as plucking the beard, pulling the lobe of the ear, etc.