Related:

• black hole n.,vt. [common] What data (a piece of email or netnew
  or a stream of TCP/IP packets) has fallen into if it disappears mysteriously between its origin and destination sites (that is, without returning a bounce message)....
• drop on the floor: vt. To react to an error condition by silently discarding messages or other valuable data.
  The gateway ran out of memory, so it just started dropping packets on the floor....
• drop on the floor vt. To react to an error condition by silently discarding messages or other valuable data.
  The gateway ran out of memory, so it just started dropping packets on the floor....
• dev/null: /dev-nuhl/ [from the UNIX null device, used as a data sink] n.
  A notional `black hole' in any information space being discussed, used, or referred to....
• bounce message: [UNIX] n. Notification message returned to sender by a site unable to relay {email} to the intended {{Internet address}} recipient or the next link in a {bang path} (see {bounce}
  ense 1). Reasons might include a nonexistent or misspelled username or a {down} relay site....
• ib site: [by analogy with {backbone site}] n. A machine that has an on-demand high-speed link to a {backbone site} and serves as a regional distribution point for lots of third-party traffic in email and USENET news.
  Compare {leaf site}, {backbone site}. -- The AI Hackers Dictionary...
• bit bucket n. [very common] 1. The universal data sink (originally, the mythical receptacle used to catch bits when they fall off the end of a register during a shift instruction).
  Discarded, lost, or destroyed data is said to have `gone to the bit bucket'....
• hitogram: /shit'oh-gram/ n. A *really* nasty piece of email.
  Compare {nastygram}, {flame}. -- The AI Hackers Dictionary...
• backbone site: n. A key USENET and email site; one that processes a large amount of third-party traffic
  especially if it is the home site of any of the regional coordinators for the USENET maps....