Top Definition
An orange rat in the comic strip Dilbert that was the result of a macaroni and cheese experiment.
According to Wikipedia, Ratbert is moderately intelligent yet the stupid center of Dilbert.
by sega31098 July 11, 2011
A devious little creature that wins the favor of its superiors through the abuse of the verbal arts.
Ratbert (fill_in_your_story_here)
by /dev/null April 21, 2003
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