Money Wrench 

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” .

Money Wrench by Carlos Spiceyweiner May 3, 2019

Monkey Wrench 

1. An adjustable wrench.
2. An imaginary tool of sabotage, destruction, overthrow and mischief.

1. Hey would you be so kind and hand me that monkey wrench?
2. Everything was going so well but then you threw a monkey wrench in my plan.

Monkey Wrench by Mattony March 9, 2014

Left-handed monkey wrench 

A fictitious tool. A monkey wrench has no left-handed or right-handed versions. Often used as a practical joke, i.e. telling someone to find a left-handed monkey wrench for you.

"Hey, will you go find me a left-handed monkey wrench? I need to fix this pipe."

Left-handed monkey wrench by Fictitious Plumber January 30, 2012

swedish monkey wrench 

Flicking the bean with your thumb

My fingers got cramped so I had to give her the ol Swedish Monkey Wrench

swedish monkey wrench by L-Boogyyyy June 26, 2018

Monkey Wrench 

Fool, gullible person. See Tool.

Quit being such a monkey wrench, Vellius. Chris knew it was you the whole time, you shippler.

Monkey Wrench by MJK October 8, 2005

Fuck me sideways with a monkey wrench 

Its just an exclamtion..either of surprise, horror, disgust, dismay...

Person 1: still another forty minutes of this boring lesson

Person 2: Aaah..fuck me sideways with a monkey wrench!

Fuck me sideways with a monkey wrench by The Wild Child January 4, 2008

Monkey Wrench 

To sabotoge or disrupt.

George W. Bush's claim of Iraqi weapons of mass destruction threw a MONKEY WRENCH in Colin Powell's political aspirations.

Monkey Wrench by Mikail Bevale May 13, 2005