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1.
Origin: Medway area of England.

When a person is trying to give up smoking but cannot help but give into their/or have cravings for nicotine it is said that they have the nicotine monkey sitting on their back.
"What's the matter? You look like you need a fag"
"Yeah, the nicotine monkey's on me back today!"
by Gigi July 13, 2004

Words related to nicotine monkey

fag