superfandom means the state or condition of being a superfan; extremely strong fandom. Lexicurio rates it Sui generis — a strength score of 95 out of 100.
noun
- The state or condition of being a superfan; extremely strong fandom.“Jimmy lives his life in a quiet but constant glow of public affection and love. It is the flip side of, for example, Madonna. Her life is lived in the constant glare of superfandom.”