Top Definition
someone who performs utterly ridiculous acts that they think will make them appear cool but in reality make them look like an asshole
After Pam and Kelly did 6 shots and 3 bong rips, they began acting like artars and everyone left the party.
by Billy Gillespie May 25, 2007
actin a fool; people who call other people artars are mainly doing it so that person can say he/she is not the only artar
1. "That Jamie girl is actin a fool! "

2. "Don't worry, she's an artar too."
by birdman1234 December 04, 2009
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