平日昼顔妻
Meanings
1
housewife having an affair while her husband is at work
Slang term popularized by the 2014 TV drama 'Hirugao'; refers specifically to a married woman who engages in extramarital affairs during weekday daytime hours.
The term 'hirugao-zuma' spread due to the influence of that drama.
She was featured in a weekly magazine as a 'weekday afternoon wife'.