Common Acronyms: O

  • OBTW (oh, by the way)
  • OIC (oh, I see)
  • OFIS (on floor with stitches)
  • OMG (oh my god / gosh / goodness)
  • OOC (out of character)
  • OTOH (on the other hand)
  • OTTOMH (off the top of my head)