I'll start with mine.... Rubber baby buggy bumpers.... lol
The only one I really like was one I learned in French class. Please excuse my butchering of the French language but it has been several years...
Mimi aime ses amis à Miami ( means Mimi likes her friends in Miami )
The sixth sick sheik's sixth sheep's sick.
According to the Guinness Book of Records, this is officially the hardest tongue twister to say quickly. After about a hundred attempts, I finally nailed it, just.
Willey the really weird werewolf went walking on a really windy Wednesday.
I also only know one in Afrikaans...
Sannie sê, Sannie sal sewe sakke sout sleep, sewe sakke sout is swaar so waar.
(Sannie says Sannie will drag seven bags of salt , seven bags of salt is heavy so true.)
Guess it sounds much better in Afrikaans than English...
Peter Piper picked a peck of pickled peppers
I know quite a few from being in choir and being a Dr. Seuss fan lol
A big black bug bit a big black bear, made the big black bear bleed blood.
Unique new york
Chester cheetah chewed a chunk of cheap cheddar cheese
Mama made me mash my m&M's
Red leather yellow leather
I was in choirs as well and there are many.
Here is one that is always funny to hear and sing:
Red Laurie, Yellow Laurie
I'm a sheet slitter, I slit sheets, I'm the best sheet slitter that ever slit sheets.
Six sleek swans swam swiftly southwards...
How much wood can a woodchuck chuck if a woodchuck could chuck wood?
Betty Botter bought a bit of better butter to make her bitter butter better.
through three cheese trees three free fleas flew
Silly Sally swiftly shooed seven silly sheep.
The seven silly sheep Silly Sally shooed
Shilly-shallied south.
These sheep shouldn't sleep in a shack;
Sheep should sleep in a shed.
A tutor who tooted the flute
Tried to tutor two tooters to toot
Said the two to the tutor
"Is it tougher to toot
Or to tutor two tooters to toot?"
Alternating between "kush" and "pussy" is hard to do fast, it most defiantly will twist your tongue around however you interpret that ;p though I doubt it's at all official in any books xD
She sells sea shells on the sea shore.
"Send toast to ten tense stout saints' ten tall tents."
Never once have I got this right :P