flavour of the month
US /ˈfleɪvər əv ðə mʌnθ/
UK /ˈfleɪvər əv ðə mʌnθ/

1.
populariti sementara, trend semasa
a person or thing that is popular or fashionable for only a short time
:
•
Reality TV stars are often the flavour of the month, quickly replaced by new faces.
Bintang TV realiti sering menjadi populariti sementara, cepat digantikan oleh wajah-wajah baru.
•
His new album is the flavour of the month, but I wonder how long it will last.
Album barunya adalah populariti sementara, tetapi saya tertanya-tanya berapa lama ia akan bertahan.