/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)