nutjob

or nut job

[ nuht-job ]
/ ˈnʌtˌdʒɒb /

noun Slang.

a crazy or eccentric person; nutcase; nut: When Tom gets excited he can act like a real nutjob.

Origin of nutjob

First recorded in 1970–75; nut (in the slang sense “eccentric, crazy person”) + job1 (in the slang sense “an example of a type”)

Example sentences from the Web for nut job