Top Definition
A rather large boy with moobs (man boobs) that resorts to silence and sections himself away from the rest of society to avoid discrimination due to being a rather annoying being. This creature comes in the form of a wannabe human wearing the same clothes day in, day out.
"Hey, look over there it's the Tyranimoobus Rex!", "Keep walking, don't make eye contact!"
by J. Von-Kruption January 31, 2008
5 Words related to Tyranimoobus Rex

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