Dating of "mud flap"?

[Jesse Sheidlower]

On Mon, Jul 11, 2005 at 10:13:58PM -0400, Joel S. Berson wrote:
> When does "mud flap" date from?
>
> The Phoenix [Boston] July 8-14. 2005, 5/5
>
> BIG BURLESQUE'S FAT BOTTOM REVUE Talk about mud flaps, these girls have got
> 'em: San Francisco's "plush and plus-sized burlesque" troupe teams up with
> Northampton's Femmetastic Females, Boston's Black Cat Burlesque, BCB
> wrasslin' offshoot La Gata Negra, the Phat Fly Girls, and others for an
> evening of Rubens-esque ribaldry.

This is undoubtedly a reference to the song "Big Bottoms" in
the movie _This is Spinal Tap_ (1984).

Jesse Sheidlower