n. an assistant or apprentice to a mechanic and, by extension, any lackey or lesser being in any endeavor.
1) Look at all the stinking grime in there. I am not touching that!
No sweat. The wheelnut monkey will handle it. Don't let him wear gloves.
2) Get the wheelnut monkey to read these documents and talk to the press about them.
Okay Mr President. I'll get Mr. Biden right on it.