Green’s Dictionary of Slang

(Aus./US) a fire.

1905		Duke Tritton’s Letter n.p.: So I gathered some Do Me Good, got out the Jack Scratches and lit the Barney Maguire, put on the Knock Me Silly and made a brew of Jimmy Lee.
1949		Monteleone Criminal Sl. (rev. edn).
1960		J. Franklyn Dict. of Rhy. Sl.
1984		J. Meredith Learn to Talk Old Jack Lang 13: Barney Maguire: a fire.
2002		Pete’s Aussie Sl. Home Page 🌐 Barney Maguire: a fire.