(as) rare as rocking horse manure

(redirected from as rare as rocking-horse manure)

(as) rare as rocking horse manure

slang Extremely rare or unlikely; all but, or most likely, impossible or non-existent. Primarily heard in Ireland. An honest person in politics? Yeah, that's as rare as rocking horse manure. I'm sorry to say, but the part this engine needs is rare as rocking horse manure. They haven't manufactured these in nearly 50 years!
See also: horse, manure, rare, rocking