Spongy sticky stuff that you munch ad nauseam in order to help you avoid some unwise habit or procedure. Nicorette comes to mind as an example.
Violette Beauregard had a gum-chewing obsession; I suppose that there is a special gum to help someone with that addiction, but what good would chewing gum-eschewing gum do to sure your gum-chewing addition if it means that you're still chewing gum???
Cigarette: Northern slang for a cigarette, used oft by mashed up mancunian ravers becasue of the resemblance of a hot(electric)stove to the end of a lit cigarette. Originated circa 1991 in the early halcyon days of the rave culture; we speculate during a drug fuelled hallucination by said manc.
'fuck me noel, i am bolloxed, is that a ciggy in your mouth, or the stove from me 'nans kitchen'/
General use: 'Give us a stove you cunt'