When a man thrusts his hips forward and back roughly so his scrotum swings back and slaps off of his ass, making a clapping noise.
"I was dancing in the shower and my mom could hear my scrotum claps."
"Damn, Maynard your scrotum claps be loud!"
"Damn, Maynard your scrotum claps be loud!"
by Nate & Barry August 21, 2005