Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym XO is...

XO is

  • Kisses and Hugs

More Meanings For XO:

  • Hug and Kiss
  • Kisses and Hugs
  • X'd Out
  • Extra Old
  • Xd Out
  • X Over
  • Xoops Object
  • Xanthine Oxidase
  • Executive Officer
  • X-Axis of Orbiter
  • Orbiter Structural Body Reference, X-Axis
  • Executive Officer

XO is also in:

Acronym Definition Searched: LVAS TME ACS (CBER) PLI KAIST RDA TQPI WSSP EOP WIHS RWV ID MYCA 90059 DHS