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Nussack.. scrotus, scrotum testicular area, sometimes referred to as “balls,” “the boys,” “the rocks,” endless terminology.. commonly used when you’re in such immense pain from being kicked in the Nadz that you cannot clearly annunciate the “T” sound in the word nutsack.

Alternative meaning: A person who does not competently understand the reasoning behind having stretched wheels and tires on a fat truck.
*One friend throws flying hammer fist into other friend’s nussack*

injured friend- F#$K Nik! You got me right in the nussack!
by Rawboiiiiyeahhhh May 21, 2018
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