The art of spinning one's penis through the propulsion caused by ejaculating, whilst the penis is not erect.
The Sticky Helicopter
A person must begin masturbating, orgasm, but somehow retain the semen held within their penis until it is no longer erect. Once it is no longer erect, they release, hopefully forcing their penis to spin around in a circular motion.
by King Bobo September 15, 2009
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