English · Idiom Historical

to blow one's top

Preserved but no longer current.

Meaning · English

To lose one's temper. Blown (1), in the phrase "fly-blown/* is a legacy from pre-scientific days, when natura- lists thought that maggots were actually blown on to the meat by blow-flies.

Era: ca. 1898 (Victorian)

Sources & notes

Reproduced from Brewer’s Dictionary of Phrase and Fable (1898 edition, public domain; archive.org, retrieved 2026-07-31; OCR text, minor errors possible). Reflects the scholarship and attitudes of its era.

Topics: Historical slang (1800s)

Common questions

What does “to blow one's top” mean?

To lose one's temper. Blown (1), in the phrase "fly-blown/* is a legacy from pre-scientific days, when natura- lists thought that maggots were actually blown on to the meat by blow-flies.

Is “to blow one's top” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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