noun
A Japanese government-backed campaign encouraging companies to let employees leave early on the last Friday of each month, typically around 3 p.m., to boost consumption and work-life balance.
wasei-eigo (Japanese-coined English)
今月のプレミアムフライデーは何をしますか？
What will you do on this month's Premium Friday?
プレミアムフライデーに早く帰れる会社
There are still few companies where you can go home early on Premium Friday.