An irresistible urge to pull out your own hair

Wikipedia Word definitions in Wikipedia
Trichotillomania ( , also known as trichotillosis or hair pulling disorder ) is an impulse control disorder, characterised by the compulsive urge to pull out one's hair, which (depending on where the hair is pulled from) leads to hair loss balding and distress, ...

Wiktionary Word definitions in Wiktionary
n. a medical disorder in which the patient compulsively pulls his/her own hair out.

WordNet Word definitions in WordNet
n. an irresistible urge to pull out your own hair

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1905, from French trichotillomanie (1889), from tricho- , Latinized form of Greek trikho- , comb. form of thrix (genitive trikhos ) "hair" + Greek tillesthai "to pull out" + mania .\n