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2.
a forceful upper cut to the testicals
i popped one of his nuts with that upper nut.
by Jumper1993 May 04, 2011
 
1.
when a fistlike force is driven into someones ballsack at an acute upward angle
i just delivered a debilitating uppernut to my second adopted child because he didn't drink all the fullies from last nights party, like he said he would
by cock daniels October 02, 2011