Having sex with a female partner who is on her monthly cycle, hence dipping your fries (penis) into her ketchup (period blood). We don’t recommend double dipping…
by rubygrapefruit March 28, 2023

One of the two traditional ingredients in fry sauce. Can also be used as a condiment for grilled cheese sandwiches. Often used incorrectly on hot dogs, fries, eggs, burritos and other, non-grilled cheese foods.
This restaurant does not have fry sauce. They only have ketchup.
by LDSBCFan January 5, 2018

by dreamygreentea September 4, 2020

Andreas knew it was Yoanna's time of the month, but he was still up for a little Ketchup Sex. A nice bit of relish on the hotdog.
by Utsi Schissenhausen February 5, 2020

*microwave goes POP really loud*
Guy: "man, you didn't make a ketchup trench. Go clean out my fucking microwave"
Guy: "man, you didn't make a ketchup trench. Go clean out my fucking microwave"
by poopbucketburgle February 20, 2011

by unowhooosl March 6, 2022

Friend 1: did you hear Matt fucked Kaylee while she was on her period.
Friend 2: no way he's such a Hotdog Ketchup Bun
Friend 2: no way he's such a Hotdog Ketchup Bun
by Allaallaakkkbarr March 28, 2019
