- tacky (adj.1)
- "sticky," 1788, from tack (n.1) in the sense of "an act of attaching temporarily" + -y (2).
- tacky (adj.2)
- "in poor taste," 1862, adj. use of tackey (n.) "small or inferior horse" (1800), later "hillbilly, cracker" (1888), of uncertain origin.