Pad kid poured curd pulled cod.

Meaning: Alternating repetition — the consonants swap at the start of every other word, which is what makes it break down.

Origin: Built by MIT psychologists in 2013 as a deliberate stress test; participants often gave up rather than finish it.

More English tongue twisters

Red lorry, yellow lorry. The 'l/r' alternation drill — deceptively short, yet almost impossible to say fast withou…
How much wood would a woodchuck chuck if a woodchuck could chuck wood? A 'w/ch/ck' drill that accelerates comically — and nobody really knows the answer.
The sixth sick sheikh's sixth sheep's sick. Believed by Guinness to be among the hardest in English — 'six/sick/sheikh/sheep' blur in…
Betty Botter bought some butter, but she said the butter's bitter. A 'b / t / tt' plosive drill that bounces between Betty, butter, and bitter.
She sells seashells by the seashore. The definitive 's' versus 'sh' alternation — the tongue has to switch place of articulati…
Peter Piper picked a peck of pickled peppers. A relentless 'p' plosive drill; a peck is an old dry measure of about nine litres.

Words that capture a feeling or idea English needs a whole sentence for.

Pålegg Anything you might put on a slice of bread — cheese, ham, jam, egg, whatever — gathered u…
Avos' A blind, hopeful trust that things will somehow work out on their own — leaving the outco…
Pana poʻo Scratching your head to help yourself remember something you've forgotten.

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