Menstration blood, found on surfaces other than underwear.
I took Sylvia home last night, and she left me a nice patch of cajun ketchup on my bed.
The slit you make in a hotdog before microwaving it to make sure it doesn't explode
*microwave goes POP really loud*
Guy: "man, you didn't make a ketchup trench. Go clean out my fucking microwave"
When your girlfriend is on her period but is in a good mood.
Wave: “Good morning happy ketchup pot”
Lee: “Good morning loml 😊”
Sexual intercourse when the lady is on her menstrual cycle.
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.
You get your dick with your girlfriends shit on it and shove it in her mouth, make her bite down as hard as possible until you bleed cum.
dude i just gave my girlfriend a hot fudge corndog with ketchup on it last night
When your trans-male boyfriend is on his period.
My boyfriend Kai called me a ketchup packet because I am on my period lmao
A discarded bloody tampon or pad
She lobbed her ketchup packet at me during a row, menstrual blood was everywhere