/nas' tee-gram/ 1. A networkpacket or e-mail message (the latter is also called a letterbomb) that takes advantage of misfeatures or security holes on the target system to do untoward things. 2. Disapproving e-mail, especially from a net.god, pursuant to a violation of netiquette or a complaint about failure to correct some mail- or news-transmission problem. Compare shitogram, mailbomb. 3. A status report from an unhappy, and probably picky, customer. "What did Corporate say in today' s nastygram?" 4. [deprecated] An error reply by mail from a daemon in particular, a bounce message. [Jargon File] (2004-02-17)
