Question

Big Brain Time

Can you give me toughest tongue twister ever?​

Answer 1

Explanation:

According to The Guinness Book of World Records, the toughest tongue twister is 'The sixth sick sheik's sixth sheep's sick'.

or

In 2013, MIT‌ researchers have concluded that “pad kid poured curd pulled cod” (previously mentioned in the “funny tongue twisters” category) is the hardest tongue twister in the world. In fact, Stefanie Shattuck-Hufnagel, an MIT psychologist, says you will get a prize if you manage to say that 10 times quickly