one-horse

from WordNet (r) 3.0 (2006)

one-horse
    adj 1: small and remote and insignificant; "a jerkwater
           college"; "passed a series of poky little one-horse
           towns" [syn: {jerkwater}, {one-horse}, {pokey}, {poky}]

from The Collaborative International Dictionary of English v.0.48

one-horse \one"-horse`\, a.
   1. Drawn by one horse; having but a single horse; as, a
      one-horse carriage.
      [1913 Webster]

   2. Second-rate; inferior; small; as, a one-horse town.
      [Slang, U.S.]
      [1913 Webster +PJC]