[tacky] adj tack.i.er ; -est [
[2]tack] (1788): somewhat sticky to the touch "~ varnish"; also: characterized by tack: adhesive
[2]tacky adj tacki.er ; -est [tacky a low-class person] (1862) 1 a: characterized by lack of good breeding: common "couldn't run around downtown ... in a bikini, which was ~ --Cyra McFadden" b: shabby, seedy "a ~ town whose citrus groves were blighted by smoke --Bryce Nelson"
2: not having or exhibiting good taste "hopelessly ~ bric-a-brac --T. C. Boyle": as a: marked by lack of style: dowdy b: marked by cheap showiness: gaudy