supermania
/ˌs(j)uːpəˈmeɪnɪə/noun
Excessively aggressive behaviour, or a delusional obsession with power; extreme mania.
- With punning allusion to superman, applied especially in the early 20th cent. by critics and journalists to Nietzschean doctrine and ideology..
Origin
Early 20th century; earliest use found in Speaker. From super- + mania, apparently punningly after superman.