Top Definition
The same sexual acts in the Hummel Pummel, only the one head-butting the vagina has to be wearing a clown wig. This provides a little more cushion than the original Hummel Pummel.
"My new girlfriend Kristin has never been Pummeled before, so we started out easy with the Bostwick Bash."
by cgormzzzzz December 22, 2009

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