Top definition
A disorder in which an individual has an uncontainable, indescribable, irrational and extraordinary love for Hippos. It isn't curable and is highly contagious. Person's with Hippopotomobbsession often dream of frollicking in meadows with hippos. They also own numerous Hippo themed objects.
Dude, Hippopotomobbsession is the best disorder EVA
by Hippolover 007 December 04, 2010
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