adj 1. not "squared away" (i.e. not organized or prepared: a mess.) If someone does something poorly, they're "ate up". Origin: the United States military. In the example phrase, "soup sandwich" is an example of something messy. ("You're all ate up like a soup sandwich!") Submitted by Nate Marx, Manassas, VA, USA, 26-03-1998. 2. strange, stupid; WEIRD. ("Don't worry about Eric, he's just ate up.") Submitted by Pekka Pennanen, Finland, 6-21-1997. 3. interested, to the point of near obsession. ("He's ate up about the military.") 4. burnt out or exhausted from the use of illegal drugs, usually ecstasy. ("He's really ate up from the rave last night.") Submitted by Maestro, Newark, DE, USA, 17-04-1998.
ATE UP
Meaning of ATE UP in English
Slang English vocab. Английский сленговый словарь. 2012