From The Collaborative International Dictionary of English v.0.48 [gcide]: Tacky \Tack"y\, n. [Written also tackey.] An ill-conditioned, ill-fed, or neglected horse; also, a person in a like condition. [Southern U. S.] [Webster 1913 Suppl.]
From The Collaborative International Dictionary of English v.0.48 [gcide]: Tacky \Tack"y\, a. [Cf. Techy, Tack a spot.] Sticky; somewhat adhesive;; -- said of paint, varnish, etc., when not well dried. [U. S.] [1913 Webster] From The Collaborative International Dictionary of English v.0.48 [gcide]: Tacky \Tack"y\, a. [Etymol. uncert.] 1. Dowdy, shabby, or neglected in appearance; unkempt. [Local, U. S.] [Webster 1913 Suppl.] 2. In poor taste; appearing cheap; gaudy; unstylish. Broadly used to describe objects whose style is disapproved of by the speaker. [PJC] 3. Tactless; in poor taste; -- used to describe behavior. [PJC] From WordNet (r) 3.0 (2006) [wn]: tacky adj 1: (of a glutinous liquid such as paint) not completely dried and slightly sticky to the touch; "tacky varnish" 2: tastelessly showy; "a flash car"; "a flashy ring"; "garish colors"; "a gaudy costume"; "loud sport shirts"; "a meretricious yet stylish book"; "tawdry ornaments" [syn: brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tatty, tawdry, trashy]