Gook (???) (1912) -- Goo-goo

[Bapopik at AOL.COM]

In a message dated 3/16/2005 12:22:57 A.M. Eastern Standard Time,
douglas at NB.NET writes:

>What  about "gobble-de-gook"?

At a glance this dates only from 1943.


Maury Maverick is said to have coined/popularized it in 1944. You have  1943?
In any case, it's not much older than that.
...
...
(NEWSPAPERARCHIVE)
...
     _ Nevada State Journal _
(http://www.newspaperarchive.com/Viewer.aspx?img=ssVO2f5ZuruKID/6NLMW2pcnxPkXaZiZVSFpxsAwP0vO+OQIQYuJoQ==)  Sunday, September
 26, 1943 _Reno,_
(http://www.newspaperarchive.com/Search.aspx?Search=city:reno+gobbledegook+AND)   _Nevada_
(http://www.newspaperarchive.com/Search.aspx?Search=state:nevada+gobbledegook+AND)     ...at the sound of his  footfall a
great GOBBLEDEGOOK would go up and the  air..
...
...
(The page clearly shows 1948!)