n. a nonexistent tool. (New workers are sometimes sent to fetch nonexistent tools.)
Hand me the left-handed monkey wrench, huh?Do you think you can dig up a left-handed monkey wrench?
left-handed monkey wrench
A fictional tool, typically used to trick someone who is new to a field or industry. If you want to mess with the new kid, ask him to go get you a left-handed monkey wrench, then watch him scour the truck for the next hour looking for one.
left-handed monkey wrench
n. a nonexistent tool. (see also sky hook.) Hand me the left-handed monkey wrench, huh?