A person who has indulged in one too many drugs and as a result has become less intelligent.
Dustin is totally ate up.
by Jildo June 05, 2005
A state of being enamored, infatuated, crushin' on, call it what you will, over another person. i.e., she is ate up over that guy.

Also used in reference to self-professed addictions as when one is addicted to a website, hanging their clothes in a certain order, etc.

Can also be used when describing someone doing something to the extreme.
I saw a dude using Q-tips to clean all the crevices in his car today, that's ate up.

I waste countless hours everyday on Facebook because I'm ate up.
by ateupannette August 15, 2009
the run-down feeling after doing drugs.
Man, after we rolled last night, I was ate up the next two days.
by bell June 29, 2003
ate up is being stupid as fuck because you do WAY too many drugs like me..

and you say random shit and do random shit. usually entertaining to people who arnt as ate up or dont do drugs.
savannah: dude, lets get some beans
hannah: i dont know.. im hella ate up.
savannah: pussy.
hannah: okay, fine..
by Lombardozzi January 31, 2007

referring to a person who is incredibly stupid and probably either arrogant and/or obnoxious. An idiot, an arrogant moron.
Metaphor for idiocy with the literal meaning of someone who's brain has been eaten up or ate up.

Stupid or brazenly idiotic behavior or personality
Rush Limbaugh is such an ate-up... I can't believe the ate-up thing he said in 1994: "It has not been proven that nicotine is addictive, the same with cigarettes causing emphysema and other diseases." (Radio show, 4/29/94)
by Ashley L. November 01, 2006
The term "ate up" is typically used to describe people who have taken to many drugs. Marijuana makes you "ate up" over an extended use. The THC attatches to your fat cells mainly around your brain. Over time this blocks signals being sent from your brain making you "ate up." I would say Acid causes you to be "ate up" much quicker. This is based on personal experience and my drug class teachers...

Signs of being "ate up" are fairly simple.
1. You laugh at nothing... sober
2. You stuggle putting sentences together
3. Zone out of most conversations with a dumb look on your face
Man jake is so ate up from all that acid he cant even speak!

by James Ganja October 10, 2007
sunday morning at 6 in the morning, and the following 5 hours...
Holy shit man, I'm so ate up I cant stop saying bullshit words...
by loAch May 12, 2003
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