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an extremely skinny but very very long penis. it penetrates you like a pencil with that sharp tip (def circumcised) but once in you it slithers like a very horny worm. to be pencil wormed is to live like you never have. being pencil wormed is an honor. cherish it.
Nicci: how was he?
Megan: holy shit he pencil wormed me all night long...
Nicci: UHH D'NOH D'NOH...
Megan: i know.
by ricky tricky dicky June 18, 2011
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