When most people think of tongue twisters, a childhood image comes to mind -attempting to recite a tricky rhyme or a tongue twister as fast as possible without tripping over your tongue. It is a great challenge for almost everybody. Try to say “She sells sea shells” or “Peter Piper picked a peck of pickled peppers” and you can’t help smiling and enjoying the race to get it right.

What exactly is a tongue twister?

According to ...