Top definition
n., Acronym - 'Significant Other'.
My S.O. can't join us for drinks later.
by T.D. January 20, 2003
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2
Abbreviation for "Significant Other". The gender-neutral way to refer to someone's boy/girlfriend.
I'm having a party at my place. Bring your S.O.!
by The Grammar Nazi November 10, 2001
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3
n., Acronym - Source of Orgasm. Although "Significant Other" is another, widely used, interpretation, Source of Orgasm really brings it down on the spot.
My SO is joining me for dinner tonight.
by Paddy-Whack June 16, 2014
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4
The first word of any answer given by a know-it-all douchebag, said to give the effect that they were already speaking when you asked your question or requested their opinion, in order to feign superiority or to imply that they knew what you wanted to know before you inquired.
Man: "What sort of food does that restaurant serve?"
Know-It-All Douche: "So, they have asian fusion and cali fresh, not that you would know what those things aaaaaaaaaaaarrrrrrrre..."

Man: "Is that new game any good?"
Know-It-All Douche: "So, this game was developed on the new platform, not that you could understaaaaaaaaaaaaand it..."
by Papasanfolkhero April 20, 2011
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5
Hey, stop macking your S.O. and go home.
by unicore November 18, 2006
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6
adj. 1. used to add extra emphasis to a statement that would otherwise describe the exact same thing.
We're SO gonna go to Wal-Mart!
She SO deserved that award!
by agent 2693 February 07, 2005
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7
a quicker way of saying:

1) who cares?
2) what's your point?
3) why does this / it matter?

etc.
"i found a nickel"
"so?"

"it's getting late"
"so?"
by k.k. March 22, 2004
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