Top Definition
Multiple Conversation Disorder, commonly known as MCD, is a disorder that ravages people most likely with some form of ADD. It is the natural tendency to have many ongoing conversations at once, with no common coherency or relation to each other. It mostly occurs between people who are awesome.
Simulated text conversation with multiple conversation disorder:

You suck.

Your favorite color is blue right?

Why doesn't Netflix have the Nightmare Before Christmas?! D:
by victim_of_MCD December 22, 2011

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