Idiom of the day :- Flavor of the month

Usage, examples and definition of the Idiom :-

Currently popular / famous for a short while A : Harry used to have no friends but now people phone him all the time to invite him to the pub. B : Why is he suddenly flavor of the month ? A : Because he’s started paying for everyone’s drinks ! This expression is thought to come from American ice-cream parlors which promote a different flavor every month. another variation is flavor of the week which refers to something which is popular or famous for an even shorter time !