midsummer
n[U]
1 the middle of summer, around 21 June 仲夏(6月21日前後)
[attrib 作定语]
a ,midsummer('s) `day 仲夏日.
2 (idm 习语) ,midsummer `madness very great madness or foolishness 极度的疯狂或愚蠢.
It's quite simple. You put a very hot, wet cloth on your shoulder for one minute. Then put a packet of frozen peas on the shoulder for one minute. And so on and so on.