[quote name='Dad3353' timestamp='1422050267' post='2668309']
Maybe, over there (they're a strange lot, sometimes...), but here, it's used for 'New Bass Day'. See also NAD= New Amp Day, NDBD=New Double Bass Day and so on.
[/quote]Austin will do that to ya. I got out too late.
Also just figured out that 'SS' can mean Short Scale, Stainless Steel (y'all prob'ly have your own term for that), and Solid State. I feel my smartness growing!