What does Y/O stand for?

What does Y/O mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: Y/O.

We've found a total of 2 definitions for Y/O:

Sort by:PopularityAlphabeticallyCategory Filter by:


Medical » Hospitals

   Rate it:

Year Old

Medical » Physiology

   Rate it:

Know what is Y/O? Got another good explanation for Y/O? Don't keep it to yourself!

Still can't find the acronym definition you were looking for? Use our Power Search technology to look for more unique definitions from across the web!


"Y/O." Abbreviations.com. STANDS4 LLC, 2015. Web. 6 Mar. 2015. <http://www.abbreviations.comserp.php?st=Y%2FO>.

The Web's Largest Resource for

Acronyms & Abbreviations

A Member Of The STANDS4 Network