What is Parts Jockey?
1.
n. An unskilled electronics troubleshooter. One whose primary means of solving problems is simply to replace components. Parts jockeys exclusively use exhaustive trial and error to find problems.
It will take Bob forever to find the problem, he's just a parts jockey, not a real technician.
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1.
Generally also known as End's girlfriend
End is talking to his olduglywoman in the pub...