Something that happens in the plot that is highly unlikely to happen, though still technically possible.
Different from plot hole as a plot hole is something that should be impossible to happen.
A scene featuring Q giving 007 his gadgets is a staple of James Bond films.
Now imagine if the film did not feature this and we see 007 using a never-before-seen gadget to get out of a tight situation. This would be a plot contrivance, as the audience would have zero reason to believe that 007 would have a gadget of this kind, though him having this gadget is still technically not impossible, preventing it from being a plot hole.
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'