O&O
O&O definition by Slang.net
This page explains what the acronym "O&O" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
We are constantly updating our database with new slang terms, acronyms, and abbreviations. If you would like to suggest a term or an update to an existing one, please let us know!
Baseball Slang Quiz: Can you bat 1.000?
Truckers, military officers, and big 'ol nerds might use O&O to stand for "over and out." This acronym signals that a person you are chatting with is signing off for now.
The "over" in "over and out" means a person's message is finished, while the "out" means the person will be offline or unavailable for awhile. If you're feeling sassy, you can respond to O&O with Roger, which is U.S. military slang for "message received."