Meatball Marinara

A Meatball Marinara is when you eat a girls ass that is full of shit while she is on her period. The mix of poop and blood will resemble a meatball marinara sandwich.

Bill: Hey, how did that date go last night?
Me: Great, she let me do a Meatball Marinara on her!
or
Me: IDK, she made me do a Meatball Marinara on her...