One who is generally acceptable in any social environment yet decides to sit lonely at home on Friday nights accompanied by cats and loneliness.
"Hey do you want to go out tonight?"

"Nah, I'm going to be a total Mellinger and chill with my cats tonight."
by marcus huanito February 29, 2012
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A disease that is characterized by sleeping all day, and sometimes drinking too much.
Person 1: God, that girl fucking sleeps all day.
Person 2: Maybe she has a case of mellingitis
by Porcelain Doll April 30, 2008
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