A
portmanteau word used to describe someone mad, eccentric, deranged or mentally
irregular
Derived from the film title - Morgan: A suit(able) (nut/fruit/head)case for treatment.
Often used in a
repidundant rhyming alliterative way
... mad, crazy, crackpot, crank, nutty, loony, loopy, wacko, bonkers, demented, dotty, gaga,
headcase, nutcase,
fruitcase, suitcase,
screwball, etc, etc