Top definition
When a man ejaculates, urinates, and defacates inside a woman's vagina and then eats the contents with a spoon.
Joe: "Dude your not looking so good what did you do with that girl last night?"

Tommy: "I cooked up a batch of boston casserole. I think I let it ferment too long."
by Liqu Madiq October 23, 2011
Get the mug
Get a Boston Casserole mug for your friend Vivek.