When she is blowing you and squeezes your balls so hard they make a scrunching sound.
"Dude my girlfriend gave me a scrotum scruncher when she was blowing me last night."

"No wonder you've been limping and speaking in a high voice all day."
by Jacp123 December 20, 2015
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It is someone who stands at the back of a group of people and trys to fit in.
"dude that guy behind us is such a scruncher he has no friends at all,why is he even here lets drink more piss and smash the fuk out of him".
by gnarley August 12, 2007
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Description of the feeling you get when your nervous. When you get so nervous you could just poop a diaper.
I was so nervous about my interview I was a diaper scruncher.
by Leaha & Kristina April 17, 2009
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When you root someones mum in the ear
i shoved my tallyhoo in e's mum's ear this arvo good that was a good ear scruncher sniffer
by ilovee'smum August 8, 2008
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A person who squeezes/crunch's and/or blends there nut sack or a sleeping person's Nutt Sack
That Mother Fucking Scrotum Scruncher Blended My Nutts Last Night, FUCK!
by xxxYomomma69xxx July 23, 2009
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