Green’s Dictionary of Slang

Oxford bag n.

[rhy. sl. = fag n.3 (2)]

a cigarette.

K. Lucas ‘All my life I’ve wanted to be a Barrow Boy’ Obfuscation News Apr. Issue 20 🌐 ‘No worries my old Brussels Sprout’, he croaked taking his Oxford Bag out of his North and South and Daren Coughing like mad.