that thing that you do, you know, the thing...

Dude: I need an appointment to see the doctor.

Me: For what problem do you need to be seen?

Dude: The regular one…that…you do…

Me: Well, we see patients for infertility, semen analysis, vasectomy, and vasectomy reversal.

...pause...

Me: Sir, which do you need to be seen for: infertility, semen analysis, vasectomy or vasectomy reversal?

Dude: Yes.