OMEB is a definition of a human horse look-a-like. If you see a man/woman who really looks like a horse with big mouth, big horse-smile, and monobrowns or something like that you say OMEB (Oh my Eske Bivan) then all around you know, and typically you'll all start laughing.
You are walking on the street with your friends when you see a horse look-a-like woman on the street across - then you say "OMEB" and all now know that there are an OMEB near..
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