Definition of UM

The Meaning of UM

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The Top Definition of UM

The most popular meaning of UM is: Expression of hesitation

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What is UM?

UM is Expression of hesitation

UM Means

The definition of UM is "Expression of hesitation".

UM Definition

The meaning of UM

UM means Expression of hesitation.

Now you understand the definition of UM - UM means "Expression of hesitation".

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What does UM mean? UM is an acronym, abbreviation or slang word that is explained above. If you ever forget what UM means, just come back to and we'll define any acronym you need help with.

  1. UY - Disrespectful manner of pointing someone
  2. UY - Up yours
  3. LM - Letters mailed
  4. UX - User eXperience
  5. UW - you're welcome
  6. HUM - Horny Unattached Male
  7. UV - Unpleasant Visual
  8. 2M - Tomorrow
  9. JM - Just Messing
  10. TM - trust me
  1. #1 - Number one
  2. (N) - Thumbs down (MSN)
  3. (Y) - Thumbs up (MSN)
  4. /THREAD - End of a thread on a forum
  5. 112 - European emergency number
  6. 21 - My friend's favorite number.
  7. 2C - 2) to see 3) 2 grades of Celcium (expected & undes
  8. 2DFM - Too dumb for me
  9. 44 - .44 Magnum
  10. 4M - Forum