Rocking Horse Shit

He told the truth? That's rarer than rocking horse shit!

By Christan

Rocking Horse Shit

something rare or nonexistant (because, a roecking horse does not generate maure)

The Pictures of the encounter with the storm were like rocking horse shit.

By Willetta

Rare As Rocking Horse Shit

To never exist. Very rare. Not easily obtainable

That's as rare as rocking horse shit.

By Dotty

Define Rocking Horse Shit Meaning