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The concert was a damp squib—only 20 people showed up.
The concert was a disappointing failure with very low attendance.
a disappointing failure that fails to meet expectations
The movie premiere turned out to be a damp squib; critics panned it.
The movie premiere was a disappointing failure; critics gave it negative reviews.
Our team's presentation was a damp squib—no one was impressed.
Our team's presentation failed to impress anyone.
Often used to describe events, performances, or efforts that fall short of anticipated success.
Do not confuse 'damp squib' with its literal meaning (a firecracker that fails to ignite). It is always used figuratively to describe disappointment.
Apply this idiom only when something fails to live up to its anticipated success or impact.
From British English, dating back to the mid-19th century. 'Squib' originally referred to a small firecracker that makes a hissing sound when lit. A 'damp squib' is one that fails to ignite properly, producing little or no effect. The metaphorical use emerged to describe anything that fails to deliver the expected excitement or impact.
Primarily used in British English, though understood in other English dialects. Often implies that something had high potential but ultimately disappointed.