a forceful upper cut to the testicals
i popped one of his nuts with that upper nut.
by Jumper1993 May 04, 2011
1 more definition
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