adj [usu pred 通常作表语] (infml 口) senile; slightly crazy 老朽; 疯疯癫癫
*He has gone quite gaga. 他有点儿老糊涂了.
adj [not before noun]informal
1900-2000; Language: French;Origin:
gaga 'stupid person'
an insulting word used to describe someone who is confused because they are old Sid keeps forgetting my name. I think he's going a bit gaga.
having a strong but often temporary feeling of love for someone
= infatuatedgaga about/over I can't imagine why Susan is so gaga about him.