1ADJ-GRADED [verb-link ADJ]糊涂的;迷糊的;(尤指)老朽的 If you say that someone is gaga, you mean that they cannot think clearly any more, especially because they are old. 糊涂的;迷糊的;(尤指)老朽的 [informal]
If you don't keep your brain working you go gaga.
要是不常用脑子,你就会变得糊涂起来。
2ADJ [verb-link ADJ]着迷的;狂热的 If someone goes gaga over a person or thing, they like them very much. 着迷的;狂热的 [informal]
My daughter is just gaga over men with hairy chests.