the answer to a question when your confused but are expected to answer
the sound you make if you open ur mouth while making the m sound
(perhaps that is why people say um because they are opening and then closeing their mouths)
your asleep on ur desk and some guy comes n says "hey wanna um maybe be at the prom together?"
your responce "uhhhhhhhhhhh wha??"
By Cynthy
Uh
*A response if asked an incredibly complex question.
You, give me your full attention immediately. I am about to speak, and even now I am thinking of what I will say. You would be welladvised to closely listen to me.