What is Sig O?
1.
A shortening of 'Significant Other;' particularly useful when addressing a mixed gender group with varied marital statuses. Frequently pluralized: sig o's.
You guys should come over tonight for the bowling tournament, and bring your sig o's.
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1.
A sexual act involving:
1: A threesome.
2: Using all three female orifices in the same session.
1: My boyfriend threatened to break u..
1.
A combination of zomfg and roflmfao. The z originated from accidentally pressing z instead of shift. After that, it stands for "Oh ..
