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2.
When a man is getting sucked off ,preferably by a female, and the playing with the balls gets vigorous to the point she's smacking them with her hand.
My nuts hurt from the girl playing paddleball.
by Basement Dwellers January 05, 2006
 
1.
when in the 69 position the man vigorously bounces his balls off of the woman's forehead, like a small child playing with a paddleball.
She didn't like it when I paddleballed here when she was slobbing my knob.
by the lunch boys November 03, 2003