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.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)