1. Chronic disposition to misinterpret the content of an email as a subversive attack or social dismissal of oneself, and to respond defensively, emotionally and inappropriately.

2. To respond as above to not receiving an email as the principal "TO:" designate, and/or not being CC'd or BCC'd on an email sent to others, especially those viewed as peers or subordinates.
Jane got totally upset when she got the email about the changes in the office Christmas party and fired off a flamer email back to the organizer. She is so emailusional.

Can you believe it?!! My brother sent an email to the his Mom and Dad about his vacation plans. His aunt's not speaking to him because she didn't get cc'd. How emailusional can you get?
by Jevefo January 7, 2013
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