Dating of "mud flap"?

[Laurence Horn]

>On Jul 12, 2005, at 8:59 AM, Jonathan Lighter wrote:
>
>>I find over 9,000 Googits for "Thoreauvian," which I once saw in a
>>book.  Later I used it in a seminar paper, so mellifluous it was.
>>The professor ridiculed me out of ever using it again; "Thoreauan"
>>was said to be correct.
>>
>>"Thoreauan" gets 419 hits.
>>
>>There is now even an _Angry Thoreauan_ magazine.
>
>ick.  AHD4 lists *only* "Thoreauvian".  ditto OED2.  that's good
>enough for me.
>
>arnold, reminded of the rather more outrageous Montague/Montagovian

I wonder if Jon's professor would have sniffed at "Shavian" and
insisted on "Shawan" instead.

L