Any bitchy girl who lives
in Illinois. Could
also be a variation of a bitchy girl from Iowa, or Indiana, etc. More generally used and accepted when a person who lives
in or is deeply involved with another state
is talking about someone from an "I" state
Mizzou (or any other non "I" state college) student: Ugh, I don't want
to go home for the holidays. I'll have to deal
old highschool iBitches all over again.