Noun: 1. Person who uses Twitter to broadcast asinine pronouncements, petty complaints, churlish insults, insane misjudgments,
misogynistic rantings, reckless accusations, absurd vulgarities, vindictiveness unlimited, and/or unhinged ravings, seemingly unaware or unconcerned with their veracity, propriety or wisdom.
2. Person who apparently does not realize how Twitter works, and that others much smarter than one's self will be seeing and reading posted tweets and passing judgment on the character of the writer. (Note:
Definition 2 does not preclude
Definition 1.)