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Verb - To get in the way of a coworker who is perfectly capable of handling a task singlehandedly and taking over the task as your own for no apparent reason
I was sweeping the floor, I was nearly done, I had all the dust in a pile, and Bart came over and started jessandeering the pile with a broom he had sprinted to get seconds earlier.
by BigRichard42069 October 03, 2017
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