swear on a stack
Verb
Meaning
swear on a stack (third-person singular simple present swears on a stack, present participle swearing on a stack, simple past swore on a stack, past participle sworn on a stack)
Ellipsis of swear on a stack of Bibles.
Examples
You ate something yesterday.You sure?"asked Simon Jace shrugged."Well,I wouldnt swear on a stack of Bibles.I think it was yesterday,though.
The list ended with a new charge and I would swear on a stack of thousand credit notes that high that there was a hurt tone in his voice. "In addition the charge of assaulting a police robot will be added to your record."