A person who obsessively Twitters--that is, writes what they are doing every moment.

When you eat dirt for the first time and leave your family to build a shack in the woods

An Individual who is a frequent spammer in the space. Think of them as the online litter bug. Particularly on Twitter, this person will spam daily, posting irrelevant tweets, resulting in a major cluster of useless information. End result, could potentially drive innocent tweeters to delete their accounts out of frustration. Against their will, this person may be classified as a Twitter Quitter.

Someone who spends a great deal of their time on micro blogging service, Twitter.