What is "madd"

MADD may refer to:

• Mothers Against Drunk Driving
• Myoadenylate deaminase deficiency, a metabolic disorder also called Adenosine monophosphate deaminase deficiency type 1
• Multiple acyl-CoA dehydrogenation deficiency, another name for the genetic disorder Glutaric acidemia type 2
• MAP kinase-activating death domain protein

MAP kinase-activating death domain protein is an enzyme that in humans is encoded by the MADD gene.