1. Acronym for Residual Butt Sweat. See swamp ass. The condition where the climate between one buttocks becomes similar to that of East Texas.

2. An uncomfortable wetness between the cheeks, often require one to contemplate changing his/her underpants.
Dude, it's too hot in here! I got RBS dripping down my thighs.
by rrod March 15, 2005
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Restless Booty Syndrome-n- A condition in which one is at work or school (particularly in an office, classroom, or some other employ that involves extended periods of sitting) where the patient can no longer sit still and must shake their rump, like a salt shaker, in the immediate vicinity of said workplace. Music, particularly that which initiates from the "dirty south", can be used as an aid. Symptoms include (while seated) shifting from one cheek to the other, head bopping, raising the roof, head swaying, popping and locking, the robot, the arm wave, and randomly shouting out, "can I get a dance groove in this bitch!" If you feel the onset of any or all of these symptoms you should immediately: 1.shake that ass; 2.watch yourself; 3.shake that ass; and 4.show me what you're working with.
Heather and Trisha were working on an important research study when Heather began throwing her hands in the air indicating that she did not particularly care for working on her assigned task any longer. Confronted with the onset of Heather's RBS, Trisha immediately started playing the Ying Yang Twins and they both proceeded to shake their groove thang.
by justjoe96 September 29, 2009
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Raging Boner Syndrome

When one conceives of a boner that results in a massive erection that is capable of being seen from under layers for clothes.
"I had RBS the other day at dinner, and I couldn't get up to walk without having to think of Ellen Degeneres, the Zima man, cow manure, and my mom naked."

See also Ron Burgundy in 'The Anchroman'.
by popngen September 29, 2008
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Acronym for "Raw Butthole Syndrome" which occurs when you wipe too many times throughout the day due too diarrhea or some kind of overly active and greasy poop. It is that burning sensation and pain that occurs.
Dude my RBS is the worst after that last puddle of mud I spewed.
by Hughe Janius February 22, 2015
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The most attractive person Ever! The best person on the planet. Also a very smart girl with so much potential.
by SB March 9, 2004
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A common nickname for "Robert" derived from the nickname "Robs" with the "O" omitted.
A: Where is RBS?
B: He's walking the dog.
by RBS January 11, 2004
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