ARB

the act of getting a random boner
A Random Boner

Oh shit I just got a terrible ARB

by Elisa294543 February 27, 2011

arb

short for Protoss Arbiter from the PC game, StarCraft. The flying vessels provide invisibility to surrounding friendly units. They can stasis units to protect them from any and all damage, and can use recall to teleoprt units anywhere on the map.

Holy crap dude, that Arb just recalled 8 Reavers into my minerals.

by K Pittman September 21, 2005

ARB

Apparent Reason Boning. The opposite of NARBing. Boning a chick for a reason.

Man, last night I ARB'd that girl I like.

by Osgrip1931 February 7, 2010

arb

A little man, who is often extremely anal over his business.
It is usually used as a comparison but it can however be used as a term of endearment for a clever person.

You're more anal than ARB...
or
You're such an ARB

by Charlie Thoms February 27, 2004

arb

African Round Ball aka basketball

Jerome went to play some arb in the projects.

by herpn derpn February 8, 2014

Arb

An epic typo by Mabinogi NA player "archranger" of the Alexina server. This word was meant to be "Narb" but he failed so epicly it turned out as "Arb" and the term slowly developed into the frequently used word we know today, ARB!

1). Eddward is an ARB at cross dressing.

by Refuserishere July 30, 2011

Arb

When something is so great, it's astounding, remarkable and breathtaking.

Did you see the new LOTR movie? It's arb.

by NotUrbanDictionary July 21, 2017