1. 
[syn: jerkwater, one-horse, pokey, poky]
The Collaborative International Dictionary of English v.0.48:
jerkwater \jerkwater\ adj. [from jerk + water, a place where it
   is necessary to draw (jerk) water to supply the boiler of a
   steam engine.]
   1. small and remote and insignificant; as, a jerkwater
      college.
   Syn: one-horse, pokey, poky.
        [WordNet 1.5]
   2. (Railroads) Off the main railroad line. [Archaic]
      [PJC]
WordNet (r) 3.0 (2006):
jerkwater
    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]