機嫌上戸
Meanings
1
merry drinker; person who gets cheerful when drinking
Describes someone whose mood becomes lively and happy after drinking alcohol. Often used in contrast with other 上戸 types like 泣き上戸 (crying drunk) or 笑い上戸 (laughing drunk).
He's a merry drinker; he always becomes cheerful when he drinks.
Merry drinkers liven up drinking parties.