That's Twitter-speak for a person, organization or company using bad behaviour on the microblogging service.
On Twitter, one U.S. job seeker tweeted about weighing a fat paycheque against hating the work and the daily commute. The result was bad twarma, or karma. The tweet got back to his potential employer and the result was no job.
As more employees use Twitter and blend their personal and professional lives in 140-character messages or "tweets," common sense should rule.
If you use Twitter as a business tool you can put a personal spin on your Tweets if you are using it to sell or buy things but don’t get very personal leave that for Facebook.
Social media expert David Meerman Scott said if an employee is badmouthing his employer on Twitter, it's a behaviour problem.
"I would absolutely fire someone for doing something like that, but that's not a Twitter problem," said Scott, who's based in Boston.
There can also be situations in which employees overstep bounds on the phone, via email or in public, he added.
Employers are starting to take a look at the use of social media in the workplace.
The British government has told its civil servants they can tweet away on Twitter, but their messages should be "human and credible."
The Twitter guidelines noted the British government must "accept that there will be some criticism" of its efforts.
Consumer electronics store Best Buy is encouraging hundreds of employees to handle online customer service and company promotions via Twitter.
Twitter itself has put out a set of guidelines for businesses, telling them how to put out tweets that have value by offering exclusive deals or taking people behind the scenes of their company.
Employees can mix the personal and professional on Twitter, but need to exercise some restraint to prevent their comments from coming back to haunt them.
Employees can promote charitable events they're involved in, for example, but shouldn't be passing on gossip.
"This is by far the most honest medium in which there is interaction aside from face-to-face interaction,”. If you're prone to having short fits of rage in real life with your colleagues, then maybe Twitter is not for you,"
Twerp: Anyone who doesn't play nice on Twitter
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Sometimes 140 characters are not enough. 
