Definition of troon:
(n) :
(anti-LGBTQ slur, Internet slang, derogatory, offensive) A transgender person; most commonly, a trans woman.
(v) :
(intransitive, Internet slang, chiefly derogatory, offensive) To undergo gender transition.
(v) :
(transitive, Internet slang, derogatory, offensive) To make someone undergo gender transition.
(n) :
A coastal town and port in South Ayrshire council area, Scotland (OS grid ref NS3231).
(n) :
A village (Troon Village), country club and golf course in North Scottsdale, Maricopa County, Arizona, United States, possibly named after Troon in Scotland, well known for its golf courses.
(n) :
A village in Camborne parish, Cornwall, England (OS grid ref SW6638).