gaga

1 ENTRIES FOUND:
gaga /ˈgɑːˌgɑː/ adjective
gaga
/ˈgɑːˌgɑː/
adjective
Britannica Dictionary definition of GAGA
[more gaga; most gaga] informal
1 
: extremely enthusiastic about or interested in something or someone
— often used after go
2 
: crazy or foolish