EI (or E.I.) is the acronym for "Extremely Intoxicated." Although this usually applies to those who have consumed alcohol in excess, it can also be applied to any state of intoxication (i.e. drugs, pills, etc.)
Dude, Dan was so EI last night after those Jeggerbombs!
The acronym for "extemely intoxicated." Although this usually applies to one who has indulged in large ammounts of alcohol, it may also apply to one who is otherwise intoxicated (i.e. drugs, pills, etc.).
Dude, APD throws the sickest parties! Everybody is E.I. by the end of those ragers!