McTribute
A member sent from a clique to McDonald's to acquire of fatty foods to bring back to their group. Varies from group to group, sometimes the position will rotate but other times will be filled permanitly by one member. By most people its viewed as a chore or a liability.
Person 1: Who's going to be the McTribute this time?

Person 2: I'll do it but I want something in exchange

Person 1: I'll pay