When a female does not flush the toilet after she has just taken a dump, pissed and menstruated. Normally occurs in places like dorm bathrooms, public restrooms and portable toilets.
"Ugh. Don't go in that stall, someone left a Bloody Sundae in there..."
A commonly cold dessert preferred to be eaten on Tuesdays. These desserts consist of ice cream and occasionaly the following: bananas, sprinkles, peanuts, chocolate syrup, caramel topping, cherries, or garlic powder. Often associated with people that look like John Goodman. Even more commonly enjoyed when depressed.
When a woman, or male, put a many icecream toppings on their genitals ( ice cream, whipped cream, cherries, hot fudge, ect.) Then ask you to eat it off of or out of their genitals.
I came home to find my girlfriend laying on the bed, with her pussy covered in whipped cream,hot fudge, and a cherry ontop. She then asked if I would like a taste. To which I replied, "I'd love a taste of your filthy sundae."