Source : Webster's Revised Unabridged Dictionary (1913)

Claptrap \Clap"trap`\, n.
   1. A contrivance for clapping in theaters. [Obs.]

   2. A trick or device to gain applause; humbug.

Claptrap \Clap"trap`\, a.
   Contrived for the purpose of making a show, or gaining
   applause; deceptive; unreal.

Source : WordNet®

claptrap
     n : pompous or pretentious talk or writing [syn: {bombast}, {fustian},
          {rant}, {blah}]