rain man

Meaning

Noun

• An autistic, or mentally and/or socially impaired person.
• A non-autistic or impaired person whose mannerisms are similar to such people.
• An expert at something.
• A man who is believed to have power to control the rain.
• A spirit of the rain.

Origin

• From the 1988 film Rain Man, about an autistic man with the name Raymond, misinterpreted as “Rain man” by his brother in childhood.
• rain + man