Top Definition
Pronounced "Tuh-bah-see"

A word referring to a child who must be in control or the boss while he or she is interacting with one or more other children whether it be while playing with toys from a tub, playing outside or any other type of activity.
Two kids decide to play with plastic army men and begin to set them up.

Kid 1- "NO NO NO! You have to put the snipers on top of the desks so they can protect the radioman!!!"

Kid 2-"Why?"

Kid 1-"Because thats how it has to be!"

Kid 2-"YOUR FREAKIN TUBOSSY!!!"
by Gabesuckapunch September 28, 2009

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