Someone (usually an emo little bitch) who uses the internet to bitch about people or start rumours, that they would never dare say to anyones face.
Harriet: I hate her she's such a liar! She's going to a torture chamber in hell soon.
Erin: Why don't you say that to her face instead of posting it on your facebook where she won't see it you loser.
Harriet is an Interkunt