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When a guys dick is so small it's barely exists.
What's up with J? Sue hooked up with him and said he has a Pluto dick.
by CLEdogg April 05, 2014
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A dick that was once classified as a standard dick to one so small it is no longer classified as a dick. A dick too small to be seen with the naked eye.
She was expecting someone with a little more than a Pluto Dick. It's so small it cannot be seen by the naked eye.
by Lildval November 24, 2017
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