B cube
A B cube is someone who’s so full of themselves they could be a whole buffet. They’re basically a G who thinks they’re the main course.
My teacher said my crush is a B cube because he thinks he’s the best at everything.
My friend’s dad is a B cube. He brags about his job, his car, and his abs all at once.
My neighbor calls her sister a B cube because she thinks she’s the most important person at every party.