To be the worst, or a like a ass. to be the worse ass. essentialy it is a combination of the words ass and worst.
"The last dude was the Arst."
by La_noob December 29, 2008
Top Definition
An acronym that stands for Assistant Regional Storyteller. It refers to a position of authority during a LARP (Live Action Role-Playing) game. The Assistant Regional Storyteller's job is to help out in the role of the Regional Storyteller (RST).
I'm so excited that I was voted to become the next ARST! I love guiding each genre’s storytelling activities and promoting fair game play during Vampire the Requiem!
by BabyYeti September 23, 2013

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