Boston crème 

When you cum in a toilet and then smear your shit all over the lid similar to the cream filled chocolate covered donut

Man-“Bro I just did a Boston crème in the restroom”
Man 2- “that’s delicious”

Boston crème by Dabdaddy43069 April 1, 2019

Boston Creme 

Filling a partner's mouth with semi-solid feces, inserting your penis into the feces, and ejaculating into center of the feces.

My girlfriend wanted me to run out to Dunkin' Donuts, but I was tired. I gave her a Boston Creme instead.

Boston Creme by CEotC (Joe Kendall, Michael Barker, Chris Quinn) April 19, 2006

Boston Creme 

having oral sex and ejaculating into the girls mouth, then she spits it into the male's asshole, he squats over her and pushes hard, and the poop and semen fall into the girls mouth....boston creme

zach and amy tried the boston creme on their 1st date.

Boston Creme by zigzag112 December 17, 2008

boston creme 

the act of releasing your fluid into a girl, and then eating her out

I got back from the donut shop, and gave my g/f a boston creme

boston creme by teabagfuh69 November 19, 2004

Boston Creme 

have sexual pleasure with a donut and allow a female to devour it

Darren does a Boston Creme in a donut and gives it to Danielle to eat.

Boston Creme by Louis Lixxx June 8, 2004

Boston Creme 

The process of eating a doughnut off of a dick while giving a blowjob and then proceeding to produce the creme.

Yo we went to Dunkin Donuts then she gave me a Boston Creme.

Boston Creme by Anonymous190437 February 2, 2015

Boston creme 

When u fill up a black girl full of cum and she poots it out and you eat it like the filling of a Boston creme donut

I Boston cremed my girl so good last night I can still taste myself

Boston creme by Mrfuckshit232 February 10, 2019