noun

• (figurative) Someone who displays a magpie-like quality such as hoarding or stealing objects.
  "Not only is Mr. Booker a voracious magpie (who does not always acknowledge the sources of his ideas), but he also turns out to be an annoyingly biased and didactic one."
• (slang) A fan or member of Newcastle United F.C.
• (military, firearms) The third circle on a target, between the inner and outer.
• (UK, slang, obsolete) A halfpenny.

verb

• (transitive) To mark with patches of black and white or light and dark.
  "The little rail-enclosed plots that lay between the pavements and the hotels were magpied with torn paper […]"
• (ambitransitive) To steal or hoard (items) as magpies are believed to do.
  "[…] she liked to be able to have a picturesque fact or two with which to support herself when she too, to hold attention, wanted to issue moving statements as to revolutions, anarchies and strife in the offing. And she had noticed that when she magpied Tietjens’ conversations more serious men in responsible positions were apt to argue with her and to pay her more attention than before...."
• (intransitive) To talk idly; to talk about other people's private business.
  "He knew how people were magpieing with their malicious chatter that she had committed the cardinal sin of believing love was permanent […]"

noun

• (soccer) Someone connected with Newcastle United Football Club, as a fan, player, coach, etc.
• (soccer) Someone connected with Notts County Football Club, as a fan, player, coach, etc.
• (Australian rules football) Someone connected with Collingwood Football Club, as a fan, player, coach, etc.
• (rugby league) Someone connected, or formerly connected with the Western Suburbs Magpies, as a fan, player, coach, etc.