When ones sneaks off to have a cigarette unnoticed. Used especially when one is not supposed to be smoking but does anyway.
John: "I'm just off out for a crafty fag round the back"
by Gibdo January 19, 2011
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When you sneak off two have a ciggarete at fammily ocations
tod: Dad where is uncle jerald.

Dad: he snuck of four a crafty fag.

Uncle jerald: Thats good shit
by rodam July 14, 2006
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