Posting many "tweets" on twitter (sometimes facebook) in rapid succession, whether said tweets were important/relevant or not.
JoeBloggs: I just ate a piece of cake (10 seconds ago)
JoeBloggs: That was damn good cake (7 seconds ago)
JoeBloggs: Damn, now I'm thirsty, might get a drink (3 seconds ago)
JoeBloggs: Mmm, pepsi. Goes down good (just now)

That, ladies and gentlemen, is an example of tweetarrhea
by madmikeone October 21, 2009
Get the tweetarrhea mug.
A condition caused by sending too many status updates on a social network over a short period of time. See tweet diarrhea
Dude, 45 tweets in a half hour? You've got tweetarrhea. I'm unfollowing you.
by Jimathan February 14, 2010
Get the tweetarrhea mug.