A typical answer to a non yes or no question that you don't really want or know how to answer.
Teacher: "How many cells are in your body?"
Jimmy: "Umm... Yes."
When someone asks you a question and you don't know what to say, So you just say yes.
Person 1: Why did you do that?
Person 2: Because, yes
Person 1: Stop saying yes, you mother fucker!