have bats in the belfry
US /hæv bæts ɪn ðə ˈbɛl.fri/
UK /hæv bæts ɪn ðə ˈbɛl.fri/

1.
agak gila, tidak waras
to be eccentric or crazy
:
•
My old neighbor seems to have bats in the belfry; she talks to her garden gnomes.
Tetangga lamaku sepertinya agak gila; dia berbicara dengan kurcaci tamannya.
•
I think he might have bats in the belfry, considering his strange theories about aliens.
Saya pikir dia mungkin agak gila, mengingat teori-teori anehnya tentang alien.