Loiner

Loiner is a demonym, describing the citizens of Leeds.
The Rugby league club Leeds Rhinos were previously nicknamed the "Loiners".
History.
While there are several theories, the actual origin of the term remains uncertain.
The three competing theories are:
Dialect.
The term "Leeds Loiner" was included by Joseph Wright, a native of nearby Windhill and Wrose, in the English Dialect Dictionary. The definition was "An inhabitant of Leeds". The entry suggests that the origin is linked to Marsh Lane in Leeds.