A curious dictionary of everyday English

Every odd phrase has
a story to tell.

Discover what peculiar British and American expressions mean, where they came from, and how people actually use them.

1,615 curious expressions
1,299 source-backed entries
2,635 research references
Plain-English meanings.
Folklore labelled honestly.

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Pigs might fly

A sarcastic retort meaning that whatever has just been predicted or promised is so unlikely that it will never happen; used to mock over-optimistic…

Meaning & origin

Pass muster

To come up to the required standard; to be good enough under inspection. The phrase carries a faint judicial air - something is being examined and…

Meaning & origin

Living rent-free

Occupying someone's thoughts constantly, especially when they cannot stop talking about the person or thing despite claiming indifference. It appears…

Meaning & origin

Brain rot

The supposed deterioration of a person's mental or intellectual state from overconsuming trivial or unchallenging material, especially low-quality…

Meaning & origin

Language has legends. Evidence matters.

Colourful story or documented history?

Phrase origins are full of irresistible myths. We separate what historical sources can show from what remains disputed, and link the references behind researched entries.

How we research phrases