Definitions by FluffyCat

Hum Hum 

What someone says as a response to something casual or unimportant. Often used as a conversation closer.

Also used when trying to sound cute or unique.

Mary: I'm going to eat dinner.
Sam: Have fun.
Mary: XD
Sam: Hum Hum.

Karly: I'm almost done with my homework!
Todd: I'm not. Hum hum.

Hum Hum by FluffyCat September 10, 2010