3 definitions by person who by the way is dead.

when you are so bored you just make the noise hmmmmmmmmmmmmm, or you are thinking that someone is a complete idiot you say hmmmmmm and smile because you don't want to be mean to your friends or get in trouble by your parents by calling your little brother a supid idiot
1.
Me: Hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
My friend: you okay there?
Me: good question
2.
My little brother: hey that's mine! givitgivitgivit
Me: Bro it's not your chocolate, I bought it yesterday.
My little brother: ha yeah right, LIAR LIAR PANTS ON FIRE!!!!!!!!!!!
Me: Hmmmmmmmmmmmmmmmmmmm
My thoughts: Your such a Idiottttttttt
Me keeps smiling as I walk away
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