Top Definition
offesive term that describes a flamboyant person who lacks a firm grip on reality

in mixed company "JJ" can be used
"Look at that guy! Swerving through rush hour traffic. While smoking and yakking away on the phone." "What a Jimmy Jackass!"
by Courvoisier T. Johannsen September 28, 2006
person whom you do not know, whom is acting foolishly.
Driver:" this guy in front of me is being a real jimmy jackass"

passenger:" ya i know he is swerving all over the road and doing like 35 WTF man!"
by The Pi Guy17 January 28, 2011
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