The meaning of the Acronym MAD is...

MAD is

• Multi Activity Day

More Meanings For MAD:

• Module shortcut (MS Access)
• Managing All Documents
• Matlab Auditory Demonstrations
• Median Absolute Deviation
• Multi-wavelength Anomalous Diffraction
• Mean Absolute Deviation
• Measured Air Device
• Manipulating Aeromagnetic Data
• Mid Atlantic Ducati
• Michigan Athletic Development
• Men Are Dumb
• Master Agility Dog
• Malevolent Agency Of Destruction
• Mentally Affected Dog (to a boy)
• My Adorable Darling (to a girl)

MAD is also in:

• Adults
• Chemistry
• Dogs Related
• File Extensions
• Funnies
• Mathematics
• Meteorology
• Networking
• Ocean Science
• Software
• Telecom
• Universities