dunny /ˈdʌni/noun 5adjective 3forms 3 noun5 •(Australia, slang) An outhouse: an outbuilding used as a lavatory."I've got one of those outside dunnies here, hasn't been emptied for six months and I ran out of sawdust three months ago." — 1995 •(Australia, slang) Any other place or fixture used for urination and defecation: a latrine; a lavatory; a toilet.The dunny was another place to go to get out of class. You got to go there by raising your hand in class and asking Miss if you could go to the lav. — 2010 •(slang, old-fashioned) A cellar, basement, or underground passage. •(slang, old-fashioned) A passageway, particularly those connecting an outhouse to the main building. •(offensive, no longer used) A dummy, an unintelligent person.Should a School-boy do so, he'd be whip'd for a Dunny. — 1709 adjective3 •Somewhat dun, dusky brownish.I were skynnes of conny, / That causeth I loke so donny. — 1517 •(dialect, UK) Somewhat deaf, hard of hearing.Dunny, somewhat deaf, deafish. — 1708 •(dialect, offensive) Slow to answer: stupid, unintelligent.What the devil are you dunny? won't you give me no answer? — 1791 formsdunnies · dunnier · dunniest