A term used to describe the appearance of the rectum after a night of aggressive anal penetration. When feces, cum, and blood mix together it gives the appearance of melted neopolitan icecream.
Oakley "I really wore his ass out last night."
Silas "Gave him the old neopolitan donut didn't you?"
Silas "Gave him the old neopolitan donut didn't you?"
by Ra2000bc June 2, 2017