Melissa: I’m trying to get Jon to move in with me, but he says he prefers living
with you as a roommate.
Aaron: It’s great living with Jon. It’s like we never left college.
Melissa: You guys are such Kadults. When are you going to grow up. That’s why you don’t have a girlfriend.
Aaron: Blame our parents, they loved us too much.
Melissa: You guys need to become men. Playing video games all day is so
childish.
Kadult means you are a grown adult, but still act like a kid (child)