<character> Shift Out

2. Significant Other, almost invariably written abbreviated and pronounced /S-O/ by hackers. Used to refer to one's primary relationship, especially a live-in to whom one is not married.

[Jargon File]

Try this search on Wikipedia, OneLook, Google

Nearby terms:

SNR « S/N ratio « SNR bandwidth product « SO » so » SO 2 » SOA