noun
sex mania; erotomania; nymphomania; sex maniac; erotomaniac; nymphomaniac
Refers to both the condition of excessive sexual desire and a person afflicted with it. Clinical or literary tone; not casual slang.
彼は色情狂と診断された。
He was diagnosed with erotomania.
その小説の主
The protagonist of that novel is portrayed as a sex maniac.
痴漢 refers to a molester or groping behavior, not a clinical condition like 色情狂.
Compound of 色情 (sexual passion) + 狂 (madness, mania). The exact historical derivation is uncertain, but the term follows a common pattern for describing psychological conditions.