A portable rest room or toilet. Possibly derived from the need to pull down one's knickers in the outhouse. In Australian slang today, an outhouse is a "dunny".
by AlterEgo December 13, 2012
Get the Donniker mug.A stick,coat hanger or anything handy used to break apart huge pieces of shit for stool flushing ease.
by illdouche February 27, 2009
Get the donniker flogger mug.