A move where a male does not actually enter either holes and slaps somewhere in the middle, i.e. the taint.

Usually happens at high speeds and popular among the motorcycling community.
"So I was going wide open, pulled it out, and did a serious taint slapper."
by Tibbz and Steika July 25, 2008
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When your balls hits the taint during sex.
I was taint slapping last night. Oh you are such a taint slapper.
by Chodecaptain October 21, 2015
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