you'd better believe it

1. Also, you better believe it. You may be assured, as in You walk ten miles every day?—You'd better believe it! This imperative is almost synonymous with you bet your ass. [Colloquial; mid-1800s]

Example Sentences

“Knowing the demographics of the valley, Latinos are very willing to go to concerts. Banda MS, Café Tacuba, Marc Anthony, Pepe Aguilar: You’d better believe it’s gonna be packed for those shows.”

Read more on Los Angeles Times

And while the improvement isn’t getting all that much time in the spotlight, you’d better believe it has the potential to make your life a whole lot easier.

Read more on The Verge

You’d better believe it was much discussed in this very office when we picked the Time Out.

Read more on Fox News

When you’re the Wizards, and have made just two of 20 three-point attempts, you’d better believe it.

Read more on Washington Post

It was an absolute nightmare when the road gave way to gravel and you'd better believe it makes a big difference to the local economy that the Chinese made road exists.

Read more on New York Times