1 definition by barnacle billys

a boston cream pie is when the male takes his penis and enters the rectal area from behind so there is a lot of "poo poo" on the penis and then he makes the female suck on his penis so he ejaculates thus having a brown (chocolate) penis with seamen spewing out which is the cream.
jon gave lindsey and boston cream pie which was amazing becuase she loved it when his poo penis spluged in her face.
by barnacle billys July 23, 2006

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