The Collaborative International Dictionary of English v.0.48:

Flapdragon \Flap"drag`on\, n.
   1. A game in which the players catch raisins out burning
      brandy, and swallow them blazing. --Johnson.
      [1913 Webster]

   2. The thing thus caught and eaten. --Johnson.
      [1913 Webster]

            Cakes and ale, and flapdragons and mummer's plays,
            and all the happy sports of Christians night. --C.
                                                  Kingsley.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Flapdragon \Flap"drag`on\, v. t.
   To swallow whole, as a flapdragon; to devour. [Obs.]
   [1913 Webster]

         See how the sea flapdragoned it.         --Shak.
   [1913 Webster]