Top definition
Jim tried to hide his RB by crossing his legs.
by Anonymous October 28, 2003
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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2
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"
by Senor lukas July 10, 2008
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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3
a rogue boner you receive at unexpected times

a surprise in your pants!
Dani: Josh you've got a huge rb!
Josh: Thanks for announcing it to the world! ::winks::
by DaniKidd November 10, 2007
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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4
Reason Boner

Derivitve: NRB; No Reason Boner
"Oh, dude! That chick's so hot. Kevin has such an R.B. right now!"

by jamesporter March 06, 2006
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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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5
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
by Allen Wynn June 12, 2010
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Golden Shower Plush

He's warmer than you think.

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6
I found this hottie from RB who blew my socks off!
by RB Fan May 27, 2008
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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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7
Short for Rat Bastard. Something you would call someone for pulling a shaddy or lame manuever. For example, taking credit for you work at your job.
You are such an RB, I can't believe you ate my last bagel.
by sdlakers March 12, 2010
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Golden Shower Plush

He's warmer than you think.

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