Top Definition
When you spend a very long time at the computer, working on your dissertation (or other big project) but come away feeling like you have achieved nothing, but you are also no longer able to function normally. Usually cured by alcohol.
I have so got Dissertation Brain, I've been sat here for 5 hours, have achieved nothing. It's due in in 48 hours :S
by princesshelz March 24, 2011
When you have been working on your dissertation for a a long time (subject to your own interpretation of a long time) and you start to forget random but important information.
Today , I forgot what year it was. I swore it was 2015 and an hour into working and dating everything 2015, I realized it was actually 2016. That is when I realized that I had dissertation brain. #dissertationbrain
via giphy
by allaboutthatgradlife May 23, 2016
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