Green’s Dictionary of Slang

(US black) a very large or infinite amount.

1964		D. Gregory Nigger 47: I'd been out hustling all day, shining shoes, selling newspapers, and I had googobs of money in my pocket.
1970		in DARE.
1978		W. Brown Tragic Magic 122: Goo-gobs of chicks started inviting him over.
1994		N. McCall Makes Me Wanna Holler (1995) 287: Goo-gobs of historic landmarks that kept me in wide-eyed awe.
2000		P. Beatty Tuff 17: We talking goo-gobs of money. Scads o’ cash.