ketchup packet

the act of having intercourse with a woman who is menstruating , while both partners are in a plastic bag, so that blood pools at the bottom of the bag. the blood filled bag is afterwards referred to as the “ketchup packet”
guy 1 “last night i totally did a ketchup packet with your mom and then hit your dad in the face with it”

guy 2 “f-ck you -sshole!”
2 more definitions
the act of wearing a condom and having s-x with a woman who is on her peirod, then taking the condom off and making her squeez the menstral blood in to her mouth, as if drinking ketchup form a packet.
ashley was on her rag and was very h-rny, and the only way paul would f-ck her is if she agreed to take a ketchup packet afterwords.
widely believed to have been invented by sir isaac newton after a detailed study of male s-xual arousal, the ketchup packet involves the caressing twist of a man’s t-st-cl-s until they burst. often, the scene can resemble a mcdonald’s after a five year old threw a ketchup packet against the wall. a 2005 survey estimated that over 9000 american males have had their t-st-cl-s surgically reattached so that they could once again experience the joy of a ketchup packet.
“hey jimbo, this hamburger needs a little of your personal flavor. how about we bust a ketchup packet?”