When a man shoots his load into the roll of an overweight woman.
Oh man, I gave that fat chick a boston creme roll last night!
by Mitch July 21, 2004
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When in a pillow fight, you must rapidly and fiercely fire an ejaculation on your pillow and then smack your opponent in the face with said pillow. Then, you must say, in a boston accent, "That's how we party in Boston, bitch!"
"When Eric was sleeping the other night, we woke him up with a good ole' boston creme party."

"I totally invited that bitch to a boston creme party yesterday."
by The Three Bustkateers December 27, 2006
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When an "Irish looking" woman performs oral sex on a man until he ejaculates a huge load all over her pale, freckled face.
Kevin once told me a story about this chick (whose name rhymes with pita) that used to blow him. Even though he wasn't into redheads, he couldn't resist the temptation of giving her a hot, sticky boston creme pie.
by Michael Christopher January 16, 2006
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When you ejaculate into someone's shit-stained ass after they had recently shit
Jessica: I heard John gave Kaity a Boston Creme Cake last night.
Tammy: OMG thats so nasty!
by RockyTalky August 18, 2021
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When you and a girl are going at at in whatever gets you aroused, before you "finish" with her, you take a dump on her vagina and nut all over it.
I gave Kevin's girlfriend a Boston Creme Pie yesterday, she loved it.
by Jdogg360 October 19, 2007
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Shitting on a girls ass then smearing it on the ass till it’s completely brown then ejaculating into there ass hole.
Wow dude, you give that girl the ol boston creme pie?
No she’s abstinent!
by Tewtimes2 September 7, 2020
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