The toughest tongue twister received Guiness World Record

Here's some more tongue-twisters (careful, these are tough): "Can you can a canned can into an uncanned can like a canner can can a canned can into an uncanned can?"
"The seething sea ceaseth and thus the seething sea sufficeth us."
"Imagine an imaginary menagerie manager managing an imaginary menagerie."
The sign language version of a tongue twister is a "finger fumbler". "Good blood bad blood" is supposed to be a hard sentence to sign and say, making it a tongue-twister anda finger-fumbler.
more tongue twisters,