Definition of claptrap noun from the Oxford Advanced Learner's Dictionary

 

claptrap

 noun
noun
BrE BrE//ˈklæptræp//
 
; NAmE NAmE//ˈklæptræp//
 
[uncountable](informal) Stupid
 
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stupid talk that has no value See related entries: Stupid Word Origin mid 18th cent. (denoting something designed to elicit applause): from clap ‘to hit your open hands together in approval’ + trap.
See the Oxford Advanced American Dictionary entry: claptrap