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2.
The grandboss of your boss. The boss three levels higher than what you are
In the meeting, I had to deal with my boss, my grandboss and my great grandboss all of whom didn't know anything...
by Working peon April 15, 2011
 
1.
your boss's boss's boss
Q: So who controls your group's budget?

A: My great grand boss, the Senior VP.
by jrjasdip November 05, 2010