ketchup on your fashion 

when you have a very fashionable outfit and then put on something that is very clashing.

or

When someone is wearing something similar to your outfit but they make it look terrible.

That sweater is Ketchup on fashion.

or

Fucking Vanessa is ketchup on your fashion.

ketchup on your fashion by impulse101xxs January 16, 2011

Ketchup Trench 

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"

Ketchup Trench by poopbucketburgle February 20, 2011

ketchup sauce 

when you under-perform or don't do something well

Nah, playa, you didn't hit 'em wit dat mustard sauce. Those chicken heads blew your game off. Straight ketchup sauce waudy.

ketchup sauce by brealbeasy June 18, 2011

ketchup covered hotdog 

when a man and women errr-eee the bed while the women is on her period, the man comes out with a bloody penis

Allison and Ethan were working it hard and when they decided to stop, Ethan had a ketchup covered hotdog

ketchup covered hotdog by Bum bum gum March 29, 2015

Ketchup Diarrhea 

When you tip a ketchup bottle and it just instantly pours out, That's ketchup diarrhea.

Ketchup diarrhea can be messy.

Ketchup Diarrhea by Pitchy June 25, 2015

ketchard 

the combination of ketchup and mustard (color: orange)

Do you want ketchard with your burger?

ketchard by 1234ri September 13, 2016

Ketchup Shit 

Ketchup shit is the stuff that comes out ya ass when ya be eating tha chipotle too much.

Mike: Eyo whats uppppppp Why did you take so long in the bathroom?
John: I ate chipotle and my shit was like ketchup it was like a ketchup shit man

Ketchup Shit by Shadowduck July 25, 2016