You might go gaga if you stare at this screen too long.
The girls were going gaga over the handsome new boy who joined the class.
An example of gaga is that someone is very excited, they’re “gaga” over something.
An example of gaga is what you would call someone whose behavior is very unusual.
They were gaga over the rock group's new album.
Origin of gaga
- French old fool, gaga of imitative origin
From American Heritage Dictionary of the English Language, 5th Edition