UBD /U.B.D/, n. [abbreviation for `User Brain Damage'] An abbreviation used to close out trouble reports obviously due to utter cluelessness on the user's part. Compare {pilot error}, {PEBKAC}, {ID10T}; oppose {PBD}; see also {brain-damaged}.
User Brain Damage UBD <humour> (UBD) A description (usually abbreviated) used to close a trouble report obviously due to utter cluelessness on the user's part. Compare {pilot error}; opposite: {PBD}; see also {brain-damaged}, {PEBCAK}. (1998-08-27)