It is goo-goo eyes or "git" when he looks toward a pretty girl.
But a month after he got there, Mussolini started to pop his goo-goo eyes at Ethiopia.
I guess yeou kinder waked me up when you flung them goo-goo eyes at Frank.
"amorous," 1900, perhaps connected with goggle, because the earliest reference is in goo-goo eyes. The sense of "baby-talk" is from 1863. Use in reference to politics began 1890s, and seems to be a shortening of Good Government as a movement to clean up municipal corruption in Boston, New York, etc. It soon was extended to mean "naive political reformer."
Eyes expressing enticement, desire, seduction, etc
[1897+; probably fr googly, with which it is synonymous in early uses]
Infantile; cooing: talking goo-goo talk to her, like you would to a baby (1863+)