What does OO stand for?

The list of OO abbreviation meanings.

Stands For|151Abbreviated As|0Related|0

151 entries under topic. ×

4
Over And Out(Online, Text messaging, CHAT)
2
On Order(Online, Text messaging, CHAT)
1
OpenOffice(Online, Text messaging, CHAT)
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APASmart Define. (2017). oo. Retrieved September 25, 2026, from http://smartdefine.org/oo/abbreviations/f/Online
ChicagoSmart Define. 2017. "oo" http://smartdefine.org/oo/abbreviations/f/Online (accessed September 25, 2026).
HarvardSmart Define 2017, oo, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/oo/abbreviations/f/Online>.
MLASmart Define. "oo" 25 September 2017. Web. 25 September 2026. <http://smartdefine.org/oo/abbreviations/f/Online>