Posted by Doc Dave [70.192.197.192] on Monday, June 29, 2015 at 06:23:56 :
In Reply to: I never heard that one before posted by John B [68.69.26.160] on Monday, June 29, 2015 at 00:03:28 :
I heard that from a now deceased old timer about 15 years ago who worked at the local auto parts store.
I believe the term's origin came from the pedigree of the PW to the WW2 WC trucks.