The sixth sick sheikh's sixth sheep's sick.

Meaning: Believed by Guinness to be among the hardest in English — 'six/sick/sheikh/sheep' blur into one mass.

Origin: Recorded as the hardest English tongue twister in early Guinness Book of Records editions.

More English tongue twisters

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.
Unique New York. Three words that jam the 'y/n/k' sequence together — repeat it and it collapses into 'you…
Pad kid poured curd pulled cod. Alternating repetition — the consonants swap at the start of every other word, which is w…
Red lorry, yellow lorry. The 'l/r' alternation drill — deceptively short, yet almost impossible to say fast withou…

Compliments and insults from around the world, from the sweet to the savage.

Peau de vache A mean, difficult, and unpleasant person — tough and unyielding like tanned hide.
Eres un aguafiestas You're a killjoy — you pour cold water on everyone's fun the moment you arrive.
¡Qué cara más dura! You've got incredible nerve and cheek — the audacity is almost impressive.

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