Green’s Dictionary of Slang

(orig. Aus.) a fire.

1951		E. Hill Territory 446: You take the drive-me-silly and go down to the bubble-and-squeak and get some mother-and-daughter, and I’ll light the Molly Maguire and we’ll have some Gypsy Lee.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.
2004		Pete’s Aussie Sl. Page 🌐 Molly Maguire: a fire.