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.
See: UH-HUH. [TahlilGaran] English Idioms Dictionary ▲