A sexual term. Performing a South Dakota Bottle Rocket involves positioning the female on top of the upward facing male. The male then proceeds to masturbate with his thumb sticking out, allowing for mutual pleasure. Used in order to achieve orgasm without actual penetration.
My girlfriend's got syphilis. I don't want to catch it too, so I just give her the ol' South Dakota Bottle Rocket.
by G-man Fresh March 14, 2011
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