The Collaborative International Dictionary of English v.0.48:

Poky \Pok"y\, a. [Written also pokey.]
   1. Confined; cramped. [Prov. Eng.]
      [1913 Webster]

   2. Dull; tedious; uninteresting. [Colloq.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

poky
    adj 1: wasting time [syn: dilatory, laggard, poky,
           pokey]
    2: small and remote and insignificant; "a jerkwater college";
       "passed a series of poky little one-horse towns" [syn:
       jerkwater, one-horse, pokey, poky]
    n 1: a correctional institution used to detain persons who are
         in the lawful custody of the government (either accused
         persons awaiting trial or convicted persons serving a
         sentence) [syn: jail, jailhouse, gaol, clink,
         slammer, poky, pokey]

Moby Thesaurus II by Grady Ward, 1.0:

230 Moby Thesaurus words for "poky":
   abject, abominable, ambling, arid, arrant, atrocious, banausic,
   barren, base, beat-up, bedraggled, beggarly, blah, blank,
   bloodless, blowzy, careless, cautious, characterless, cheesy,
   chintzy, circumspect, claudicant, cold, colorless, contemptible,
   cramped, crawling, creeping, creeping like snail, crummy, dead,
   debased, degraded, deliberate, depraved, despicable, dilapidated,
   dim, dinky, dirty, disgusting, dismal, drabbletailed, draggled,
   draggletailed, draggy, drearisome, dreary, dry, dryasdust, dull,
   dusty, easy, effete, elephantine, empty, etiolated, execrable,
   exiguous, fade, faltering, flagging, flagrant, flat, foot-dragging,
   foul, frowzy, frumpish, frumpy, fulsome, gentle, gradual, grave,
   gross, grubby, half-pint, halting, heavy, heinous, ho-hum, hobbled,
   hobbling, hollow, humdrum, idle, in rags, inane, indolent,
   inexcitable, informal, insipid, jejune, jerkwater, knee-high,
   languid, languorous, lazy, leaden, leisurely, lifeless, limited,
   limping, little, loose, low, low-down, low-spirited, lumbering,
   lumpen, mangy, mean, measly, messy, miserable, moderate, monotone,
   monotonous, monstrous, mussy, nefarious, negligent, niggling,
   obnoxious, odious, one-horse, pale, pallid, paltry, pedestrian,
   petite, pettifogging, petty, picayune, picayunish, piddling,
   piffling, pindling, pint-sized, plodding, pointless, poking,
   ponderous, poor, punk, puny, ragged, raggedy, rank, relaxed,
   reluctant, reptilian, ruinous, sauntering, scabby, scraggly,
   scrubby, scruffy, scummy, scurvy, seedy, shabby, shoddy, short,
   shuffling, slack, slatternly, slight, slipshod, sloppy, slothful,
   slovenly, slow, slow as death, slow as molasses, slow as slow,
   slow-crawling, slow-foot, slow-going, slow-legged, slow-moving,
   slow-paced, slow-poky, slow-running, slow-sailing, slow-stepped,
   sluggish, sluttish, small, small-beer, small-time, smallish,
   snail-paced, snaillike, solemn, sordid, spiritless, squalid,
   staggering, sterile, stiff, stodgy, strolling, stuffy, superficial,
   tacky, tasteless, tattered, tedious, tentative, tinhorn, toddling,
   tortoiselike, tottering, trudging, turtlelike, two-bit,
   two-by-four, unhurried, unkempt, unlively, unmentionable, unneat,
   unsightly, untidy, vapid, vile, waddling, wooden, wretched