midsummer madness

American  

noun

1. a temporary lapse into foolishness, senseless behavior, folly, etc., especially during the summer.

   His plan to become a beachcomber is midsummer madness.

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midsummer madness British  

noun

1. foolish or extravagant behaviour, supposed to occur during the summer

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Etymology

Origin of midsummer madness

First recorded in 1595–1605

Example Sentences

See Examples For:

midsummer madness

And if the worst comes to the worst, you can always pass it off as midsummer madness.

From The Guardian ● Jul. 10, 2015

The full force of the midsummer madness struck Western Europe last week.

From Time Magazine Archive

Referring directly to Lord Cecil's appeal, Chancellor Chamberlain declared, "That is very midsummer madness!"

From Time Magazine Archive

I’m not thinking of Frank’s ‘nice’ wife, and a house in the suburbs, the usual midsummer madness followed by settling down to live—stodgily!—ever after.

From What a Man Wills by Vaizey, George de Horne, Mrs.

Could his tenets with regard to the prophet be aught but midsummer madness?

From The Maid of Honour, Vol. 1 (of 3) A Tale of the Dark Days of France by Wingfield, Lewis