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..."
by feelingsillynow February 3, 2012
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A metaphor, popularized by YouTuber Nerd Explains, which compares the horror movie situation where one or more characters experience multiple signs in an area that something is “very wrong” with the making of a banana split/sundae. With each new sign experienced by the character(s), an ingredient is added to the metaphorical sundae, and once the metaphorical sundae is complete, one or more of the characters are either harmed or killed by whatever was causing the signs.
“If the front door being open is the split banana, this is the three scoops of ‘get the fuck out of the house’ ice cream”
-Nerd Explains explaining the Bloody Sundae in his video, “How to Beat the KILLER CAMERA in ‘Polaroid’ (2019)”
by Nerdgator137 December 5, 2020
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when someone pops a girls cherry and holds an ice cream sundae underneath so that the blood trickles down like syrup.
Dude, this one customer was bitching at me so i went to this middle school and popped this virgin speds cherry and i made a bloody sundae and give it to the bitchy customer!
by ovi ghosh June 9, 2006
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This is the act and enjoyment of applying whipped cream in and around a woman's vagina who is on her period. Then proceeding to eat her out. A dessert and delight for the sickest of fucks.
Guy 1: "Dude, it sucks, my girlfriend got her period."

Guy 2: "No that's awesome. Now you can have a Sundae Bloody Sundae."

by Mr. Jeff G October 12, 2007
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