1884. S. L. Clemens (‘Mark Twain’), Huck. Finn, xxv., 247. A speech, all full of tears and flapdoodle about its being a sore trial for him and his poor brother to lose the diseased [deceased].

2. (venery).—The penis. (Urquhart). For synonyms, see Creamstick and Prick.

To talk Flapdoodle, verb. phr. (American).—To brag; to talk nonsense.

1888. Daily Inter-Ocean, Mar. 2. Possibly rich men will turn from sharp dealing, from debauchery, from flapdoodle fashion to a common-sense recognition of a situation, which clearly shows that wealth is no longer what it used to be—autocratic, absolute, the ruler of all else.

Flapdoodler, subs. (American).—A braggart agitator; one that makes the eagle squeal (q.v.).

Flap-dragon, subs. (old).—The pox or clap (q.v.). For synonyms, see Ladies’ Fever.

1690. B. E., New Dict. of the Canting Crew, s.v. Flapdragon, a clap or pox.

Verb. (old).—To gulp down hastily, as in the game of flap-dragon.

1604. Shakspeare, Winter’s Tale, Act III., Sc. 3. But, to make an end of the ship: to see how the sea flap-dragoned it!

Flapman, subs. (prison).—A convict promoted for good behaviour to first or second class.