Hubris \HYOO-bruhs\, noun:

Overbearing pride or presumption.

During his long tenure in the financial world, Friedman has watched dozens of his competitors’ businesses killed by hubris born of success rather than by unsound business decisions or adverse market conditions.
– Lisa Endlich, Goldman Sachs: The Culture of Success

This is the actor’s hubris, to imagine the world possessed of a single, avid eye fixed solely and always on him.
– John Banville, Eclipse

With dizzying hubris, Shelley elevated the vocation of the poet above that of priest and statesman.
– Peter Gay, Pleasure Wars

Hubris comes from Greek hybris, “excessive pride, wanton violence.”

Dictionary.com Entry and Pronunciation for hubris

The wonderful Jonathan Coulton rambles between songs, sounding a little hubritical.

The link made him famous.

Do yourself a favor and do a youtube search for Jonathan Coulton.