Definition of OB

The Meaning of OB

You have found the definitive source for the meaning of OB. This page contains all the definitions of OB, crowd sourced, moderated and curated by real people who care about the true definitions of OB.

The Top Definition of OB

The most popular meaning of OB is: Oh brother

What Other Meanings of OB Are There?

  1. Oh, Brother
  2. Add your own definition of OB.

What is OB?

OB is Oh brother

OB Means

The definition of OB is "Oh brother".

OB Definition

The meaning of OB

OB means Oh brother.

Now you understand the definition of OB - OB means "Oh brother".

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

  1. OYB - On Your Bike
  2. OY - Oh Yeah
  3. OX - Sharp blade
  4. OW - Other Woman
  5. OZ - Australia
  6. :B - Buck teeth
  7. FOB - Fresh Off the Boat
  8. FOB - Fall Out Boy
  9. PB - potty break
  10. MB - My bad
  1. 0DAY - software illegally obtained before it was released
  2. 211 - Police code for robbery
  3. 2C - 2) to see 3) 2 grades of Celcium (expected & undes
  4. 2C4U - To See For You , the definition an artist's job
  5. 3G - Third Generation mobile phone network
  6. 8008 - boob
  7. 8008135 - boobies
  8. 80085 - Boobs
  9. AA - Automobile Association
  10. AAA - American Automobile Association