Why is it so hard to say "toy boat" three times fast?

If you've ever tried to say "toy boat" three times fast, you'll know that these two words can quickly turn into one tricky tongue twister. But why? Unravel the mysteries of tongue twisters and language in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.