one of the 2 most commonly used words in the english language (the other is um)

this can also be used when searching for the right word
reporter: santa, how much do you pay your elves?

santa: uh...well we...uh
by unusu-al December 7, 2003
Something to say to give you time to think of something to say.
Uh, what?
by Colony October 15, 2003
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 karate December 7, 2003
*A response if asked an incredibly complex question.

*Used for "a" in a certain sentance

*One of many ways a woman moans when receive sexual satisfaction.
"Uuuuuuuh, I'm stumped."

"Uh pea-sized town with limabean-sized dreams."

"Uh....uhhh.....oh yes! Uh! Uuuh!! Uhhh....UH!"
by Dave February 8, 2004
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 well advised to closely listen to me.
"Good morning. How are you?"

"Uh, where is the report you were assigned that was due yesterday?"

"Uh, I put it in your inbox two days ago."
by A.H.Z. April 25, 2006
Uh negates the previous person's statement.
"I admire George Bush, said Jeb.
Uh, that may be your opinion, but it is not mine, said Hillary."
by Fusty March 10, 2004