phaneromania
pha·ne·ro·mania
noun
1.
an irresistible desire to pick a superficial body parts (as in obsessive nail-biting)
Origin
Possibly from phanero- and -mania
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.