[uh-huh] or [um-hum] {adv.}, {informal}
Yes. — Used only in speech or when recording dialogue.
* /Are you going to the Fair? Uh-huh./* /We were in Alaska, um-hum, but that was long before the earthquakes./* /When I asked for an appointment, the nurse said, "Um-hum, I have an opening at four o'clock on Friday."/
Contrast: HUH-UH.