swear on a stack of Bibles

and swear on one's mother's grave

to state something very earnestly, pledging to tell the truth. (~ a Stack of Bibles refers in an exaggerated way to swearing to tell the truth in court by placing one's hand on a Bible.) I swear on a stack of Bibles that I am telling the truth. Of course, I'm telling the truth. I swear on my mother's grave!

swear on a stack of Bibles

Promise solemnly that what one is about to say is true, as in I swear on a stack of Bibles that I had nothing to do with his dropping out. This term alludes to the practice of placing one's hand on a sacred object while taking an oath, which dates from the mid-10th century. It is still followed in courts of law where a witness being sworn to tell the truth places a hand on the Bible. [Mid-1800s]

swear on a stack of Bibles

in. to make a very solemn pledge of one’s honesty. (Folksy. Official oaths are sometimes taken with one hand on a Bible. This phrase implies that more Bibles make an even stronger oath.) I swear on a stack of Bibles that I was in Atlanta on the night of January sixteenth.

Common Names:

Name	Pronounced	Usage
Humphries	['hʌmfriz]
Enitan	-	Western African, Yoruba
Gregory	GREG-ə-ree	English
Senja	SEN-yah	Finnish
Stanko	STAHN-ko (Slovene, Croatian)	Slovene, Croatian, Serbian, Bulgarian
Lilibeth	-	English