Similar to 'bust my balls', when someone is continually nagging another person (usually a man) and will not stop.
Man, don't slap my balls when I tell you why I didn't call you last night.
by indydave July 8, 2005
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Gyrating your body until yor sweety balls slap against your body making a loud noise
Alex is the king of the ball slap.
by Just a guy December 3, 2004
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The funky underground sport involving a bouncy ball and a flat surface. Bonus points awarded for random haltings of the game. (ie stuck in a shoe, stopped by a sink, burried in cat food..etc.)Served with the palm of the hand and the wild cry of any asian word; (Bonsai!, sushi!, Tea Bag!)
The ball is then vollied by a series of strange slaps and occasional catches. A kick is not prohibited, nor is it reccomended.

"So I threw my back out playing a rousing round of ball slap last night."
by Lumberjacks in checkered caps January 25, 2008
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Aka Jack Balouras when he's not sucking on his mamma's titties.
"Where's ball slap Jack?"
"Sucking on his mammas titties"
by Mr.Chomps April 15, 2019
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When one guy backhands another guy in the balls with such force that it causes extreme pain. This is done for fun and for laughs as to watch the person in major pain on there knees holding there balls. It's not funny when done to you but it's funny as hell when done to someone else.
I ball slapped tom so hard that that he was on his knees for 20 minutes and i laughed so hard at his pain.
by SnakeFist April 11, 2010
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When a man's Bollocks slap against his thigh.
"That is a weird slapping noise." Omigod! He is ball slapping (horrified look)
by OGDuckSquadOGAsianInvasian October 20, 2015
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When you drop a deuce so long that when it finally all exits it slaps your balls as it tips over
I had a nice ball slap but had to wipe the skid mark off my sack
by SDSkidmark April 15, 2016
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