A minor injury that occurs during the unlikely combination of circumstances in which one is naked or wearing loose pants, trousers, slacks, shorts, or undergarments on a particularly warm day.

In order for it to happen, one must start a forward pendulous swing while initiating a free fall onto a hard surface, as if to sit. If the timing is precise, the hanging scrotum and concomitant testicles will descend upon the surface at the very bottom of its swing, at maximum kinetic energy, causing an impact not dissimilar to a mentally disabled man attempting to swing on a vine that is just a fraction too long (a Tardzan).
It was really hot out, and I had just peeled my balls off my taint, and plopped down on the bench and pulled a major Nutsack Tardzan.
by Boopieman May 24, 2012
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When you're on a bike wearing gym shorts or nude and you stand up. Your nutsack catches wind and flies like a kite
Yo bro i was on my bike and i stood up. It was like a fuckin nutsack kite.
by supah phresh March 24, 2008
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Someone who learned about MBTI and thinks they're a master in psychology. They think their personality(which they picked out biasedly) is the master race and has no clue what cognitive functions are. They are most likely spotted in the wild saying they have an MBTI consisting of an N because they heard intuitives have a high IQ.
Girl "I think the reason I kind make friends is because I'm an INFJ and everyone is scared of my intellect."
Psychologist "Oh shit you're a Cognitive Nutsack."
by Mai Ting Long April 25, 2020
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1. Bloody nutsack could be an insult.

2. Bloody nutsack could also be known as what happens when you go balls deep into a girl while shes on her period.
by Bloody nutsacks April 26, 2020
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When you apply your bare nut sack to the top of a table then have someone proceed to take a massive stomp right onto your nuts having them explode into many wet chunks of sperm
Shut up before I give you a Muslim nutsack
by Antwan Guzzels November 30, 2018
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A type of re-rack in pong with 2 cups left. 2 cups are placed back to back in a straight line.
"Yo let me get a twisted nutsack."

"Alright twist it."
by Justakidlivinthedream October 20, 2010
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Boss: You got that briefing document ready for me yet?
Me: WTF. It's 9.00am Monday morning you unshaven nutsack!
by kam75xx July 21, 2019
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