1 definition by Willywan

Top Definition
A word invented by youtubers Rhett&Link. An egoseismic person is someone who beleives that they are the cause of seismic activity (e.g. earthquakes) happening or not happening in the region they are in.
Rob: Tim says that the reasons there haven't been any earthquakes in California since he moved there was because of him!
John: Wow! Tim's so egoseismic!
by Willywan March 06, 2012

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