stir macaroni
When a man sticks a dildo up a lady's vagina and moves it in a stirring motion to pleasure her
girl: What are you doing with that dildo?
guy: Shut up Ima 'bout stir macaroni
girl: Yay!
guy: Shut up Ima 'bout stir macaroni
girl: Yay!
Stir the Macaroni
When a male inserts his penis into a female's vagina and moves it in a circular motion making a noise similar to stiring macaroni.
"Baby sit tight and let me stir the macaroni for you tonight"