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2.
Members of St John Ambulance tend to refer to each other as St Johnners or simply Johnners.
He's my Johnner friend!
by indianaprincess January 03, 2011
 
1.
Another word used for calling one a retard! A commonly used Irish phrase!
Sherup ya bleedin johnner! That guy has a fierce look of a johnner about him!
by Sancho The legend! July 25, 2009