2 definitions by Teocarlo Pulgar

Top Definition
A mysterious and loyal sentient with herculean strength and agile capabilities to defend or do battle when called upon.
Although surrounded by a gang of thugs, the frail little boy smiled, fully knowing that a simple whim can conjure upthe ubernaut.
by Teocarlo Pulgar September 03, 2003
An unstoppable juggernaut.
The geigernaut mowed down the tank single handedly.
by Teocarlo Pulgar September 03, 2003

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