eat one's words
swallow one's words

I can't tell you how much pleasure it would give us to make them eat their words.

But, if this story is any indication, he's well on his way to making everyone eat their words.

"They're not willing to back off because it means eating their words of a year ago."

But within half an hour she found herself eating her words.

I was forced to eat my words, and six eggs, in one sitting.

But we don't much wish to eat our words, as they say.

I was determined they would all eat their words some day.

A few days later Bell would have liked to eat his words.

It is now time, however, that I eat my words.

James has spent the past two days trying to eat his words.