In Chinese usage, the cuckold (or wittol) is said to be “戴綠帽子” dài lǜmàozi, translated into English as ‘wearing the green hat’. The term is an allusion to the sumptuary laws used from the 13th to the 18th centuries that required males in households with prostitutes to wrap their heads in a green scarf (or later a hat).
I’ve been a 49ers fan for more than 30 years, thanks to these assholes now a white guy in a red hat is immediately suspect. I tend to wear the white one with red accents more often just so folks don’t get the wrong idea.