a beer made with less malt by weight than the percentage required to be officially labelled as “beer”, as defined by the Japanese tax code (and thus avoiding the higher taxes on official “beer”)

foaming

to foam, to produce foam

matter of taste

drink

liked, favorite

fondness, favor, favour

freely; as much as one wants

like to / enjoy / be fond of

(impolite) any alcoholic beverage / (especially) Synonym of 日本酒 (nihonshu): sake (Japanese rice wine) / drinking, especially of alcoholic beverages