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1.
Someone who requires a mouse to do all tasks on a computer completly ignoring the keyboard shortcuts, Without a mouse this user cannot function on a computer.
Bob can only use his computer using a mouse for even the most meanial tasks, he is such a mouse jockey!
by mousejockey September 07, 2011
 
2.
Computing, IT. Person of limited training employed to perform simple computer related tasks.
Don't give Bob full access to the system he is only a mouse jockey.
by Blue Cawdrey November 18, 2004