nastygram
/nas'tee-gram/ n. 1. A protocol packet or item of
email (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 mail, esp. 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. 3. A status report from an
unhappy, and probably picky, customer. "What'd Corporate say in
today's nastygram?" 4. [deprecated] An error reply by mail from a
daemon; in particular, a
bounce message.