n. cheap and shabby material. : Those houses are just made of ticky-tacky, and they won't even be here in twenty years.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Word Origin & History
ticky tacky
"inferior, cheap material," 1962 (in song "Little Boxes"), reduplication of tacky.