The Obsessive compulsion to sit next to somebody no matter how many seats are available, An extreme Mandy Mulleter will make physical contact making the victim very uncomfortable.
Bob: "Hey bill."
Bill: "HI!"
Bob: "take a seat i just bought 3 new couches last week"
Bill: *Sits very close to Bob, practically on his lap"
Bob: .....
-Please help spread the use of the word "Mandy Mulleting"