noun
- people who are mentally unbalanced or eccentric, especially those with delusions of grandeur
Usage: archaic; psychiatric
Examples
- The asylum housed various mattoids who believed themselves to be famous historical figures.
- Victorian psychiatrists often classified creative individuals as mattoids.
- He dismissed the protesters as mere mattoids with unrealistic demands.
- The term mattoids was commonly used in early psychological literature.
- Many so-called mattoids were simply misunderstood artists and inventors.