: A fictional tool
. Used as part of hazing
on a jobsite.
Construction Worker #1: Hey, kid, could you grab me a left-handed monkey wrench?
Newbie: Okay. Goes to toolbox. Looks inside toolbox. Finds monkey wrench. This it?
CW #1: Nope. That's a right-handed monkey wrench I think Lou might have one.
Newbie: Walks over to Lou. Hey, Lou, do you have a left-handed monkey wrench?
Lou: Nope. Loaned mine to Charlie last week. Bastard hasn't given it back.
See also: slightly off-center center line, Red Cunt Hair