More on Snap-Dragons from Infoplease:

• Snap-Dragons - Snap-Dragons (See Flap-Dragon.) Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894 ...
• Otway Burns - Burns, Otway Burns, Otway, c.1775–1850, American privateer, b. Onslow co., N.C. At the ...
• Flap-dragons - Flap-dragons Small combustible bodies blazing at one end and floating in a glass of liquor. The ...
• Dictionary of Phrase and Fable: S - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "S"