Uhm is a word often used by programmers when they respond to a question that has no context, or is way too stupid to answer.

Also used as a response to something inaccurate.

Also used with 'uh'.
Uhm, Well that is certainly WRONG.
Uhm. No.

Uhm, uh well, just remind me not to ever hire you. Ever.
by Emil June 22, 2004
The Definition of uhm, is like when you can't think of anything to say, as an Answer. So you say UHM I don't know
Guy: asks his hot Girlfriend what she'd like for Dinner?
Girl: Uhm not sure maybe Pizza Babe.
by crazyfingers871 January 2, 2017
When you're trying to get a word out, but you can't find it.
"Yo, what's your favorite movie?"
"Uhm-- uhhhh- um- it's umm- uhhhh-"
"Dude, just say it."
by Rin OwO April 3, 2020
A cross between "uh" and "um". Usually used when you are talking to a complete ass.
<Guy> Let's fuck!
<Girl> Uhm: FUCK NO. Asshat.
by CrimsonlyLuminous February 13, 2009
Uhm can be used as "uh" or "um" put togehter, making "uhm". But it can also be used as UHM meaning u horny mate, i made this discovery by experience.
Example 1. Uhm you good? (uh, um)

Example 2. Bruh uhm. (u horny mate)
by discordgirl06 September 17, 2020
1. A sound made by those who are rectally intelligent to realize that they must already have thought of an accurate response before opening their mouth to make any sound.
2. A sound created by an individual that enjoys hearing their own voice over answering any question posed to them.
3. An Annoying noise used by those whose who seem to be to afraid of speaking for fear of others knowing they are stupid
1. "Frank, how did you send the letter to the governor?" "Uhm, sent by... Uhm, way of chain... Uhm, mail to... Uhm, Russia."
2. "Frank, how did you send the letter to the governor?" "Uhm........ Ah.... Uhm.."
3. "Frank, how did you send the letter to the governor?" “Uhm, duh,.. ah.. Uhm, whatcha uhm, saying uhm.. duh….?
by Papa bauer February 12, 2006
The sound that's made in lieu of commenting out loud. The sounds vary between sarcasm and sure delight.
A person feels strongly about his WRONG answer. Uhm
An attractive lady walks by. Uhm
by AS1968 June 11, 2016