‘goldfish’ (as used of intelligence and of memory)

USA 1920: ‘to have the brains of a goldfish’ (to have limited intelligence)—USA, 1958: ‘to have the memory of a goldfish’ (to be unable to retain information or memories for any significant length of time)

Read More

‘bag of hammers’: meanings and origin

American English, 1874—used in particular of stupidity, as in ‘dumb as a bag of hammers’ and variants—the underlying notion is probably that anything is dumb that does all the hard work

Read More

‘law of the jungle’: meaning and origin

the principle that, where an effective legal system is absent or does not apply, brute strength and self-interested ruthlessness are what determine success, ownership, etc.—USA, 1878—predates Kipling’s Jungle book

Read More

‘mountain dew’: meanings and origin

Britain, 1747: dew of the kind that settles on mountains—Scotland, 1816: whisky or other spirit, especially when home-made or illicit (originally in reference to whisky distilled in the Highlands, i.e., in the mountainous region of Scotland)

Read More

‘dinosaur juice’: meaning and origin

USA, 1977—petroleum, and any liquid derived from petroleum used in a vehicle powered by an internal-combustion engine—perhaps from popular association of ‘dinosaur’ with ‘fossil fuel’

Read More

‘scrapbook’: meaning and origin

UK, 1817—a blank book in which pictures, newspaper cuttings, and the like are pasted for preservation—hence also (UK, 1821) used as the title of a printed book of miscellaneous contents

Read More

‘sparrowfart’: meanings and origin

British, dialectal, 1828: the break of day, i.e., the dawn chorus, with humorous allusion to a small passerine breaking wind—later also: an insignificant person or thing

Read More