Liam Weird
When someone is mostly normal, but their personality is so fucked up that they cannot function as a member of society.
Person 1: "He threatened to eat my cheese!"
Person 2: "What type of person would do that?"
Person 1: "I don't know, but he's Liam Weird!"
Person 2: "What type of person would do that?"
Person 1: "I don't know, but he's Liam Weird!"