1 definition by L dumpaaaaaaaa

head of the chain of command of jobbers in your local area. SJI, then JOB, then JIT..jit means job in training who hasn't yet reached the rank of job. SJI is the highest rank of job you can reach.
your not even a senior job instructor yet, your still a JIT!!
by L dumpaaaaaaaa March 2, 2009
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