Infantile feelings of personal omnipotence and grandeur

I've recently been exposed to someone who has lived up to his own online description of his shortcomings. Ironically, this person's shortcomings were themselves what led to the current display of said shortcomings. Funny how that works. I believe he may be running around tarnishing my online "reputation" (whatever that is worth) in his own little pond; unfortunately, his pond may overlap with mine at some point since we are close in geographic proximity. But that's ok. I don't have to be friends with anyone who is so easily swayed by such a display.

Main Entry: meg·a·lo·ma·nia
Pronunciation: "me-g&-lO-'mA-nE-&, -ny&
Function: noun
Etymology: New Latin
Date: circa 1890
1 : a mania for great or grandiose performance
2 : a delusional mental disorder that is marked by infantile feelings of personal omnipotence and grandeur

I can't express how perfect Merriam-Webster's description is. Infantile. It's just perfect!

Anyway, I understand now why prominent online folk lead extroverted online lives but refuse to let the online world overlap with the private, "real" world. I've learned my lesson, I think.