Definition

Completely messed up, disorganized, or incompetent. A colorful way to describe someone or something that is fundamentally broken at multiple levels.

Example Usage

That private is so ate up, he showed up to formation with his boots on the wrong feet.

Origin

Military slang, possibly from 'eaten up with the dumbass'

Fun Fact

Can be applied to people, situations, equipment, or plans with equal effectiveness and scathing accuracy.

Source: U.S. military slang

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