clap-trap
Preserved but no longer current.
Meaning · English
High-sounding nonsense. An ancient theatrical term for a "TRAP to catch a CLAP by way of applause from the spectators at a play."—Bailey’s Dictionary.
Era: ca. 1874 (Victorian)
Where it’s used:
Origin
British & Irish English
Sources & notes
Historical definition reproduced from Hotten’s The Slang Dictionary (1874, public domain; Project Gutenberg #42108, retrieved 2026-07-31). Reflects the attitudes of its era.
Common questions
What does “clap-trap” mean?
High-sounding nonsense. An ancient theatrical term for a "TRAP to catch a CLAP by way of applause from the spectators at a play."—Bailey’s Dictionary.
Is “clap-trap” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.