WINGNUT
Etymology
Noun
wingnut (plural wingnuts)
A deciduous tree of the genus Pterocarya native to Asia.
Alternative form of wing nut
(slang, derogatory) Someone with crazy or extreme political views (especially extreme conservative views).
(slang, derogatory, North American itinerant and street populations) A mentally ill homeless person.
(slang, derogatory) Someone perceived as odd, eccentric, and/or extreme.
(slang, rural US) A member of the air force (in a town that hosts a USAF installation).
Synonyms
• (tree of the genus Pterocarya): pterocarya
• (odd or eccentric person): nut case, crank, weirdo; see also strange person
• (person of extreme political beliefs): extremist, radical; winger
Coordinate terms
• moonbat
Source: Wiktionary