Hate clan. When two or more people start agreeing on what they hate about another person, or hate said person's personality, way to do things, cleanliness or any other personal subject. Most awkward when in a car.
Person 1: Oh my gosh Person 2, Person 4 eats a lot! He also doesnt flush!
Person 2: Yes I know! One time he...
Person 3: Jeez guys, stop being a Hate Clan