What does CHAD stand for?

Card Hole Aggregate Debris (doubtful definition, this is probably urban legend; origin was likely related to the inventor's name, Chadless, of an early keypunch machine)

This definition appears very rarely and is found in the following Acronym Finder categories:

Other Resources:

<< Previous	Abbreviation Database Surfer		Next >>
Classic and Historic Automobile Club of Caboolture (Australia) Connecting Hoosiers for Animal Concerns (Indianapolis, IN) Critical Error Handling And Common Holdups Interface Channel Acknowledge Signal Chain of Command Reporting System Center for HIV/AIDS Care and Research (Boston Medical Center; Boston, MA) Center for Hungarian-American Congressional Relations Center for High Assurance Computer Systems Curly Hair-Acral Keratoderma-Caries Syndrome Caribbean Hotel Association Charitable Trust (Coral Gables, Florida)		Charming Hero Avoids Destruction (Kids Next Door show) Charter High School of Architecture and Design (Philadelphia, PA) Children's Hospital at Dartmouth (Lebanon, NH) Come Have a Drink (business networking event; Minnesota) Community Health Access Department Conflict and Humanitarian Affairs Department (UK Department for International Development) Children Aid Ethiopia Change of Address Children and Adults with Attention-Deficit/Hyperactivity Disorder (Landover, MD, USA) Children with Attention Deficit Disorder