ticky-tacky是什么意思啊

ticky-tacky
adj, n [U] (US infml 口)
(made of) shoddy ugly buildings or materials 质量低劣又难看的建筑物; 劣质材料（制成的）
例句: suburbs full of ticky-tacky 遍布劣等建筑物的郊区.

假冒伪劣的，低质劣等的

I don't know why you use this word. Native speakers never heard/use this word. Instead may be just "tacky"-means ugly,if that is what you want.