When a man's genitals fall asleep for an unknown reason and then have a prickly sensation when waking back up.
"Dude I just woke up."
"So."
"I think I got a case of the sleeping nutsack."
"What?"
"OH, Shit! Here come the pricklies!
"So."
"I think I got a case of the sleeping nutsack."
"What?"
"OH, Shit! Here come the pricklies!
by jew-face cockmonger bitch-dick April 18, 2011
Get the Sleeping Nutsackmug.