A character is so angry, pissed off, or shocked that he or she is literally unable to form a coherent sentence. Other strong emotions are sufficient to render a person unable to speak proper English (or whatever language is being spoken at the time), but shock, anger, and pure rage are the most common. It usually takes a little while for him or her to recover, at which point he or she explodes into rage normally. The technical name for this rhetorical device is "aposiopesis". Truth in Television, you little... Ooh, you -- I mean, what did... I... YOU AAARGH! Examples of Angrish include: