1. A big shot. Someone who has a very large reputation. See Big Kahuna.

Term originates from Grand Moff Tarkin, the Imperial General who authorized the destruction of Alderaan in Star Wars. However, the more colloquial use of Grand Moff started sometime in the late 20th century.
1. Lumberg in Office Space is the quintessential Grand Moff Boss of the office world.
by dinyctis June 11, 2004
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The act of cucking someone by bringing up the fact that you got the position first.
Zach really Grand Moff Tarkin'd DJ about being a training assistant first.
by OrsonKrennicsGloriousWhiteCape September 18, 2019
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