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Sudden bonor syndrome (SBS) is a very serious condition that has to be releived within a very short space of time with serious sexual exercise. Often if not releived in the critical time SBS causes the penis to become so erect that the veins seize up and the penis drops right off. Then the flat spot that is formed turns to a vagina.
male: shit i havnt had sex in some time, my penis feels tight like its going to drop off

female: i think you have SBS, come with me quickly.
SBS by petunia.candy October 7, 2010
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sudden bowel syndrome

usually happens to americans traveling abroad, especially in latin america and africa. basically means that you have to go and cant.
Oh shit--my intestines feel like they're not only tied in a knot, but a double knot with a bow and that someone kicked them--this SBS is killing me!
SBS by Tomás the Gringo June 29, 2009
Related Words
1. (interviewer) well your credentials certainly seem impressive. You may be over qualified for the job.
(guy) yeah, well work is tight
( interviewer) unfortunately, someone more qualified was hired this morning.
(guy) ... SBS, why are you still interviewing people if the last position was filled? this is worse than the airlines.
(interviewer) well we do have a management position.
(guy) woohoo

2. (GF) hey we need to talk
(BF) $#!7 *mumbles* "always durring the game..." i mean, what is it honey? i love you <3
(GF) SBS, it is about our mortgage.
(bf) what about it?
(GF) You're going to have to pay it; i'm leaving you.
...
SBS by Morthim October 22, 2009
SBS stands for Standby Boredom Syndrome
F*cking GEL, i'm having a SBS now!
SBS by YourBearbear December 10, 2007
Internet language for smiling but serious.
Let's have sex, sbs.
SBS by Ohnomnomnomnom July 10, 2009
"Should be sleeping" much like others such as lol-laugh out loud and Lmao-laughing my ass off.
Specially used in after 1:00 am status updates and tweets as a way to acknowledge you are tired but, obsessive compulsive with social networks.
fb friend: lol, I love Brooklyn nine nine, tell me what you think of it in full detail !!!

you: ummmmm.... sbs

(or)

(3:30 am) Wow, I need to read more #sbs
sbs by druid4leaf October 30, 2014
Saggy boob syndrome. The most horrid syndrome of all.
OMG I think she has SBS.
SBS by hotcoffee February 28, 2016