automaniac means A person who is self-involved to the point of mental illness. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
Of auto- (“oneself”) + -maniac (“one who experiences obsession”). Attested from the 19th century.
noun
- A person who is self-involved to the point of mental illness.
- An enthusiast of automobiles and motoring.“A foolish dissipation, ending in broken rest, depleted purses, broken laws, broken automobiles, and broken bones.[…] Is the cost not heavy enough to bring even an automaniac to his senses?”
- A road hog.