A: That guy had the worst pick-up line I’ve ever heard in my life.
                    B: The space pants? It was cute.
                    A: I can come up with a better pick-up line than that off the top of my head*.
                    B: Okay, let’s hear it.

From 100 Questions, Season 1, Episode 1

        *off the top of one’s head: You can use this expression when something comes up without having time to think carefully. For example, I cannot answer the question off the top of my head.
 

By Son Hyun-jee, Student Editor