R.B.S 

R.B.S, officially known as Random Boner Syndrom, is a disorder in which a male is prone to sporadic erections. This disorder is commonly found in teenage boys.

Boy 1: "What's the matter with Jeff? He left to go home..."
Boy 2: "He has an awful case of R.B.S..."
Boy 1: "Oh... This is the 4th time this month!"
Boy 2: "...You've been counting?"
Boy 1: *walks away*

R.B.S by ♥Lilli K♥ March 16, 2009

R.B.S 

Rigorous Butt Sex-
1.Intense, mostly pleasurable but possibly painful(for either party) anal sex. Mostly used as a humorous example rather than an enticing possibility.
2.A fierce display of buttsexery
3.also Roast Beef Sandwich(how Arbys got its name)
(word origins attributed to Zeb)

"at first she was scared, but after I showed her how, she's been begging me for the R.B.S.

"You gotta have an ass of steel to handle my R.B.S"

"I thought R.B.S was cool til' the doctor had to sew up mysahara rip-dick"

R.B.S by Senor lukas August 1, 2008

R.B.S 

Also known as random boner syndrome. It is a condition where a male lacks control over his genitals. Also Known as a rock lobster.

Is that a banana in your pocket or are you just happy to see me. Nether is my R.B.S

R.B.S by Allen Wynn June 14, 2010

R.B.S 

R.B.S : Acronym ( Rock Band Syndrome )

Upon hours of game play, pusing 5 mulit-colored buttons and strumming up and down while looking at a scrolling screen, you get R.B.S. otherwise known as "Rock Band Syndrome"

Look away for 1 min you realize everything you just did has now led to you seeing visuals, not to mention everything waving as if you just smoked way too much weed.

The new way to get high without official drug use.

Ken " Dude lets have a rock band party tonight! "

Mark " Costume PARTY, ill bring the beer!!!"

Ken " NOOOOO MAN, trust me you'll get R.B.S. it will feel like your freken TRIPPIN GUY!"

Mark "...................................ok........!"

R.B.S by vt83mk1 February 9, 2010

R.B.S. (Roast Beef Syndrome) 

When a girls pussy lips resemble that of roast beef. They r brown and loose.

Damn bitch u some fine R.B.S. (Roast Beef Syndrome)

Ewww I can smell that R.B.S. outside of your pants

Put that R.B.S right here.

R.B.S. (Roast Beef Syndrome) by GuCcI May 27, 2013

R.B.S. (Restless Boner Syndrome) 

A condition caused by the lack of Vitamin P is a male's every day diet.

Symptoms may include but are not limited to:
-Tossing and turning in bed.
-Anxiety is social situation.
-Terrible morning cramps.

"F-in aye Bob, its been 10 days and this R.B.S. (Restless Boner Syndrome) is just getting worse."

R.B.S. (Restless Boner Syndrome) by VPOD September 14, 2011

F.R.B's 

F.R.B's stands for Free Range Boobies. Just like free range chickens the girls allow their boobs to be roaming freely under loose shirts.

Hay dude! Look at the major nipple reaction (MNR) on those F.R.B's. Must be the summer breeze.

F.R.B's by SupaMD July 28, 2007