When someone is being extremely egoistic, they think/speak/act from their tower of self-centeredness
Sam: If I cannot get it, I don't know how anyone can get it.
John: Ok Sam, let me know when you get down from your tower of self-centeredness

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His tower of self-centeredness is so high that he looks at other people as ants
by selfcenteredguy July 29, 2010
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