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A ruckrun is a person who thinks highly of him/herself and his/her abilities. Ruckruns typically abuse their authority or power and use it to purposely harm the community.
Thomas: Wow, that guy is such a ruckrun. He's trying to ruin our pleasant, peaceful lives.
Izaick: Dude, I know right! He keeps ruining everything. Why can't he just leave us alone?
by Tizakk May 18, 2016
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