proof of the pudding
noun
the true value or quality of something, as seen when it is experienced, tried, or put to use: The proof of the pudding for a business is what customers say about it.
Words nearby proof of the pudding
pronunciation,
pronunciation spelling,
prony brake,
proof,
proof of concept,
proof of the pudding,
proof of the pudding, the,
proof sheet,
proof spirit,
proof stress,
proof theory