DEAD HORSE

Slang.1. a list which even with good auditing, failed for any other reason to produce a reliable item. (HCOB 5 Dec 62)2. if no slam occurs anywhere on a listing list with the mid ruds in for the session, that's a dead horse. (SH Spec 219, 6211C27)3. an item listed from a non-reading question will give you a dead horse (no item). (HCOB 1 Aug 68)