Ripp rapp
Ripp rapp is a colloquial term, primarily used in certain regions of the United States, referring to small, angular stones or broken rock used as a base or foundation, especially in construction or landscaping projects. It is often used interchangeably with terms like "riprap," "gravel," or "crushed stone," although it may specifically denote stones of a smaller size than what is traditionally considered riprap.
The term is considered informal and dialectal. Its usage is more common in spoken language within specific communities and trades, rather than formal engineering or construction documentation. While the term may be understood locally, it is not a universally recognized or standardized term in the construction or geological fields. The size and composition of materials referred to as "ripp rapp" can vary depending on the geographical location and the individual speaker.