
When you take McDonalds fries and put them in your girls butt hole. Then fill any empty space in her tookus with Ketchup.
by LifeOfMacGyver June 10, 2016

Person 1: "I wasn't expecting Lucy to add ketchup to my California Corn Dog"
Person 2: "Well, I'd take a California Corn Dog with Ketchup any day over one with mustard!"
Person 2: "Well, I'd take a California Corn Dog with Ketchup any day over one with mustard!"
by Chef Boyardoofus January 23, 2018

When two gays give it to eachother up the bum so long that they start bleeding, resulting in a bloody weiner between two buns.
by Mofunitus October 5, 2010

When a guy is receiving a blowjob from his girl and as she attempts to deep throat him she suddenly sneezes so violently she ejects from her nose a yellowish snot trail all over his majestic manhood plus she accidentally bites his magnificent va-jay-jay impaler but it doesn’t quite draw blood.
Thanks to her allergies and missing teeth, Belinda created a hot dog with mustard, hold the ketchup situation last night on her date with Homer.
by theinstigator June 3, 2016

a canadian goose, covered in diaharea
Yesterday i saw a asshole ketchup toaster rocking chair flying by my house while i was taking a shit.
by Asshole muncher March 7, 2011

"I’m mustard and he/she is ketchup" means that these two people are dating or are secretly kissing each other.
Two people are secretly dating but they don't wanna say anything about it so they say:
"I'm mustard and he/she is ketchup"
"I'm mustard and he/she is ketchup"
by Mr Thawne January 22, 2019
