Top definition
Am Right Back, used after BRB when you return to chat.
User 1: brb
User 2: k
User 1: arb
User 2: wb
by AmRightBack February 04, 2013
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2
A pollite term used to describe an arabic person
Person 1 : hey look at that arb over there!
Person 2 : yeah he's such an arb, i wonder if his name is abanoub?
by dylan123321 July 13, 2012
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3
an apparent reason boner (opposite of a NARB).
i was walking past a hot girl and got a ARB.
by wootz2 November 29, 2007
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4
Short for arbitrary person not worthy of mention; when referencing the name of the person/thing is unnecessary.
"Remember that arb dancing with Danielle last night?!"

"Tony always talks to the most arb skos I've ever seen!"
by Danielle Ducre June 25, 2005
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It does not matter how you do it. It's a Fecal Mustache.

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5
Short for 'Arbitrary' - this acronym is used more commonly where the context of the word implies the likes of the target object/subject being 'random', 'strange', 'unusual', etc...
What an arb picture - looks like the guy's head is out of proportion with the rest of his body! And what's up with that pink porche in the background? Must be a photoshop.
by Dimitri Pappas July 22, 2008
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The vengeful act of crapping on a lover's chest while they sleep.

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6
the act of getting a random boner
A Random Boner
Oh shit I just got a terrible ARB
by Elisa294543 February 09, 2011
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The vengeful act of crapping on a lover's chest while they sleep.

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7
Always Riding Bitch. This is a person that always rides bitch in the car no matter how many times he calls shotgun or window.
We call our friend Ian A.R.B. because no matter how many times he calls shotgun, he always rides bitch.
by Josh and Nathan January 11, 2004
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