Is it ensure, insure, or assure?
as a noun, a cricket term, 1903, of unknown origin. As an adjective, of eyes, 1901.
Protruding; exophthalmic: her great big googly eyes
[1901+; origin uncertain; perhaps fr goggle, which meant ''stare at admiringly or amorously''; perhaps fr mid-1800s google, ''the Adam's apple,'' where the eyes are thought of as similarly protruding; perhaps influenced by goo in the sense of ''sentimental, amorous''; popularized by the hero of a comic strip]