sing-sing
n.— «Women and children also dressed in traditional finery danced and sang at the event, known in PNG pidgin as a “sing-sing.”» —“PNG tribes put on a show of colours” by Lloyd Jones in Goroka, Papua New Guinea The Age (Melbourne, Australia) Sept. 17, 2006. (source: Double-Tongued Dictionary)
Further reading
The words tough, through, and dough all end in O-U-G-H. So why don’t they rhyme? A lively new book addresses the many quirks of English by explaining the history of words and phrases. And: have you ever been in a situation where a group makes...
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...