A crème and chocolate bagel like thing.
Definition: when cum (white/crème) and shit (brown/chocolate) become mixed together in side rectum (like the enclose bagel)
Me: Iâm about to cum in your ass
Her: wait! Your dick is too deep in my ass I feel like Iâm about to shit
Me: Do it!
Her: *Does it*
Me: haha babe check this out it looks like the Boston Crème Pie we had at the restaurant
Her: oh my gosh it does)
When youâre fân someone in the ass and they start to shit you as you cum.
Boston Creampie: Cum and shit mixed together inside the rectum
Baby when you cum Iâm going on shit on your dick and give you a Boston crème pie