Origin of goo
Examples from the Web for goos
A babyish voice babbled merrily, but the sounds were all "goos" and "ahs" without any resemblance to words.Aunt Jane's Nieces in Society|Edith Van Dyne
Lydgate copies this line in his Hors, Shepe, and Goos, l. 155.
“That fare to be my train,” I says to myself, and drinks my beer as quick as I can and goos acrost to the station again.A Floating Home|Cyril Ionides
So Gg.; rest The goos, the duk, and the cukkowe also (wrongly; see next line).
Word Origin for goo
1903, American English, of obscure origin, probably a back-formation from gooey.