claptrap definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
showy, insincere, empty talk or writing, intended only to get applause or notice
Origin: clap plush trap
claptrap definition by American Heritage Dictionary
Pretentious, insincere, or empty language: “I hate … that air/Of claptrap, which your recent poets prize” (Byron).
Origin: Obsolete claptrap, a theatrical trick to win applause : clap1 + trap1.