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A common name used to describe someone that is very sensitive. "O" stands for "Over" and "S" stands for "Sensitive"
Guy 1: Did you see that guy cry in the movies?

Guy 2: Yea he is O.S. The Best

Guy 1: Exactly
by Boinkin Her February 13, 2010
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Jul 1 Word of the Day
sending two texts in a row without a reply inbetween.
Rachel: whats up?
Tessa: not to much! hbu?
Tessa: dude, i'm so bored.
Rachel: stop double texting me.
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