monkey-shines (n.)youdaoicibaDictYouDict[monkey-shines 词源字典]
also monkeyshines, "monkeyish behavior, tricks, antics," 1832 (in the "Jim Crow" song), from monkey (n.) + shine (n.) "a caper, trick" (1835), from an American English slang sense perhaps related to the expression cut a shine "make a fine impression" (1819); see slang senses under shine (n.). For sense of the whole word, compare Old French singerie "disreputable behavior," from singe "monkey, ape."[monkey-shines etymology, monkey-shines origin, 英语词源]