one-horse

a.	1.	Drawn by one horse; having but a single horse; as, a one-horse carriage.
	2.	Second-rate; inferior; small; as, a one-horse town.

Adj.

1.

one-horse - small and remote and insignificant; "a jerkwater college"; "passed a series of poky little one-horse towns" Synonyms: jerkwater, pokey, poky

jerkwater, pokey, poky, provincial