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1 definition by xxxmaddiexcore

 
1.
Having extreme qualities of what it is to be a jackass, or something close to it. If someone around you is fucking around and acting like a dumbass, refer to him as a 'zackass'.
'When we were washing cars for a school fundraiser last weekend, I told Zack to go and get the towels, so he decides to dance on them. *facepalm* what a zackass.'
by xxxmaddiexcore April 15, 2009