rocking horse shit
nounEtymology
From the expression rare as rocking horse shit, with the joke being that rocking horses do not produce feces.
Definitions
Something exceedingly rare or, more likely, nonexistent.
The neighborhood
Vish — recursive loop
No curated loop yet for rocking horse shit. Loops are being traced one word at a time while the ingestion pipeline matures.
sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA