O.B.E.C.
When someone thinks they’re the best and nobody else is worth noticing. They’ll brag until you want to punch them in the face.
He got O. B. E. C. because he bragged about his video game for 10 minutes straight.
My cousin got O. B. E. C. because she said she was the best at everything and everyone else was a loser.
She got O. B. E. C. because she talked about her lunch like it was the best thing ever.