rocking horse manure

rocking horse manure

slang Something is extremely rare or unlikely; all but, or most likely, impossible or non-existent. Typically used in the phrase "(as) rare as rocking horse manure." 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, rocking

rocking-horse manure

something extremely rare. Australian informal
See also: manure
References in periodicals archive ?
He said: "My old forwards coach at Worcester, John Brain, once told me: 'Good props are like rocking horse manure. Rare and worth their weight in gold.' "Look, I made a very good living out of the game, but I don't look at my pay cheques.
Tickets are scarcer than rocking horse manure but we've teamed up with our pals at Carling the official Old Firm sponsors to put a pair for each side up for grabs for the eagerly awaited showdown at Celtic Park.