May blues; post-holiday slump
Refers to the depression or lethargy that often hits new students or employees in May, after the excitement of starting school or work has faded and Golden Week ends.
Some new employees suffer from the May blues.
After Golden Week, it's easy to get the post-holiday slump.
Standard kanji spelling.
Variant using half-width numeral; less common but seen in informal writing.
Compound of 五月 (May) and 病 (illness). The term emerged in Japan to describe a seasonal affective slump common among new students and workers.