swear on (one's) mother's grave



swear on (one's) mother's grave

To make a very serious, solemn pledge, especially that one is telling the truth. Janet has sworn on her mother's grave that she wasn't the one to betray me, and I believe her. I swear on my mother's grave that if I have a chance to help your campaign, I will.
See also: grave, on, swear

Common Names:

NameGenderPronouncedUsage
Tai-Chinese
Dorofey-Russian
Ruairidh-Scottish
Rudi-German, Hungarian
Vivianavee-vee-AH-nah (Italian)Italian, Spanish, Late Roman
&Thorn;ÓRketill-Ancient Scandinavian