someone who's ego is inflated to the point where they seem to think their shit dont stink and that their AmEricas sweetheart. These people need someone to explain to them that the world does not revolve around their lives and that they are at the core, the same as you. Although they might not want to believe it.
Egomanical Jackass- You're all full of shit! I'm the only one here who's worth anything and you're all worthless pieces of shit! Fuck you all!
Person- *slaps egomaniacal jackass* Shut The Fuck Up! Everybody is equal!
egomaniacal jackass: Hey fuckers! I bet I can run 20km faster than you can and still have to energy to kick all of your asses!
non-egomaniacal jackass: Fuck off dude, I could knock you off your feet, stop being an egomaniacal jackass just to impress Brittany.