siditty etymology? BE for feeling superior(1967)

[Jim Parish]

Wilson Gray wrote:
> Slight;y OT: I saw an ad in which "diddley" is used as a synonym of
> "nothing." FWIW, I've always known this word as "doodley," shortened
> from "doodley-squat."

The "diddley" version is the one I'm most familiar with (with or without "-
squat"). If you remember Bo Jackson's "Bo knows..." commercials, one
of the best featured, er, another Bo, and ended with the line (IIRC) "Bo,
you don't know Diddley!"

Jim Parish