ticky-tacky (n.)youdaoicibaDictYouDict[ticky-tacky 词源字典]
"inferior, cheap material," 1962 (in song "Little Boxes" by U.S. political folk-singer Malvina Reynolds, 1900-1978), reduplication of tacky. As an adjective by 1967.[ticky-tacky etymology, ticky-tacky origin, 英语词源]