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John: I am callling in sick because of a serious case of SBS.

Wendy: Okay, I am sure everyone at your work will understand
by Potterag September 26, 2009
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Noun.

Acronym for Stupid Bitch Syndrome.
It is normally used to describe one's (generally a woman's) negative attitude that is unnecessary given the current situation.
by LeashyIn330 April 14, 2010
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SBS is when you are staying at a friends or boy friends house for an extended period of time, and you're to shy to poop.
by Exposure to light October 24, 2010
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