Top Definition
In a pornographic film, or in real life, when the male's scrotum is long and loose, and is riding a female hard, the balls will slap against the female's body, created an additional slapping noise, hence, the bonus ball slap.
Listen to that bonus ball slap.
#bonus #ball #slap #scrotum #testicles
by sir poopiepants March 20, 2006
5 Words related to bonus ball slap
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