Sekirov Dictionary

swear on a stack of Bibles

verb1

•
To make a promise or give an assurance with great conviction.
- Says L.A. Times Managing Editor Frank McCulloch: "I know it looks bad, but I'll swear on a stack of Bibles it's a sheer coincidence." — 1962

forms

swore on a stack of Bibles · sworn on a stack of Bibles · swearing on a stack of Bibles · swears on a stack of Bibles

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