Don't make promises you can't keep.

Matthew Goodwin, a professor of political science in the United Kingdom, tweeted last month that he didn't believe the Labour Party under Jeremy Corbyn would poll above 38 percent in the U.K. general election. If they did, he said, he would "happily eat [his] new Brexit book."

Mashable Top StoriesStay connected with the hottest stories of the day and the latest entertainment news.Sign up for Mashable's Top Stories newsletterBy signing up you agree to our Terms of Use and Privacy Policy.Thanks for signing up!

Tweet may have been deleted

Well, Labour got 40.3 percent on June 9. And now Goodwin is on live TV eating not just his words, but his book.

Tweet may have been deleted

Tweet may have been deleted

Tweet may have been deleted

The book, as Goodwin surely wants you to know, is Brexit: Why Britain Voted to Leave the European Union. It's available for £15.99 on Amazon if you'd like a snack too.

---

Featured Video For You

---

Ever get a book that just appeared on your Kindle?

---

TopicsPolitics