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.
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
African Round Ball aka basketball
Jerome went to play some arb in the projects.
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.
When you’ve become too fast, and too furious, just like those movies, but before they were a thing. King of the peanut butter gang
God damn, PB N ARB better say it wicha chest!
Arb is short form for arbitrary and is used more in the colloquial sense. Implying random or some sort of randomness or non-importance.
Dude, that shirt looks so arb.