As a “monkey wrench” is used as a term to describe an unforeseen element that disrupts your plan or routine ... but a “Money Wrench” has the additional side effect of causing you lost money or wages.
I would love to finish the final steps of this project with you so we can get paid, but my on-call job is throwing me a “money wrench” .
by Carlos Spiceyweiner May 3, 2019