What is "swear on a stack of bibles"

Usage examples of "swear on a stack of bibles".

We had the time of death pinpointed to within an hour, and his wife was prepared to swear on a stack of bibles that he'd spent the entire day never out of her sight.

We had the time of death pinpointed to within an hour, and his wife was prepared to swear on a stack of bibles that hed spent the entire day never out of her sight.

I couldn't swear on a stack of Bibles, but I can't believe two different fellows would come after me like that.

Of course, Joe Mondragon would swear on a stack of Bibles, if you asked him to, that he had awakened at least twenty times in the middle of the night these past five years and heard both the walking bass and the treble runs at the same time carrying across on the clear black' air to his startled ears.

But I'd swear on a stack of Bibles that as the cool wind swept over us and as the sun dipped down below the tree line and as a heron and its mate flew unseen but known through their strange cries, we were both thinking, If only .

Todd made me, Anatole, and Karla swear on a stack of Bibles that we would never say anything to Dusty.

And be advised, Lieutenant, that if it comes down to it, I will swear on a stack of Bibles that when Sergeant Oblensky spoke with us, he was dressed like a fucking recruiting poster and said not one fucking word about a goddamned generator.

I swear on a stack of Bibles I'll call you if Jaylee hears one word from Carl or sees one hair of him.