1. The act of over-tweeting pointless details of one's own personal life and/or opinions. You can often recognize a person with Twitter Hubris as you scroll through your timeline and realize that every other tweet is from that same person. Twitter Hubris can sometimes lead to one's own downfall.
2. Tweeting with delusions of grandeur, arrogance, and/or pride.
1. @Ochocinco's Twitter Hubris has been quieted by his poor performance season with the Patriots.
2. Inebriation, rude people and/or bad customer service are common triggers for @Chrissyteigen's Twitter Hubris