Ketchup pre-cum 

The runny liquid that comes out of the ketchup bottle before the thicker, actual ketchup comes out.

aww dude! i just put ketchup pre-cum all over my hotdog!

Ketchup pre-cum by vPeter February 12, 2013

Ketchup pre-cum 

The undesirable pale red watery liquid that (literally) comes out of a ketchup bottle when one fails to shake it sufficiently before squeezing.

Bob didn't shake the bottle enough and it jizzed ketchup pre-cum all over his hot dog.

Ketchup pre-cum by Illneedasaviour September 5, 2013

Ketchup pre-cum 

the watery liquid that comes from the ketchup bottle prior to the actual ketchup. Similar to mustard pre-cum

I forgot to shake the bottle first and doused my dog with ketchup pre-cum! gross

Ketchup pre-cum by so fresh and so colleen June 3, 2015

Ketchup Pre-Cum 

The liquidy substance that comes out of the bottle before the ketchup

Some fucking ketchup pre-cum got on my fries and I'm pissed

Ketchup Pre-Cum by Charizarddd June 13, 2015

Ketchup Pre-Cum 

The weird, liquid-y stuff that comes out of a ketchup bottle if you don't shake it.

"You gotta shake dat ketchup bottle, or else ketchup pre-cum will be all over your hot dog."

Ketchup Pre-Cum by T0mBoi June 10, 2015

Pre Ketchup Cum 

Pre Ketchup cum is the almost see through substance that comes out the average ketchup bottle whenever it's poured onto your favourite meal or your just really thirsty
Pre Ketchup Cum is something that 9/10 average human beings experience over their lifetime

Man 1: "What just came out of the sauce bottle!!"

Man2: "Chill it's a bit of pre ketchup cum, it happens to all of us"

Pre Ketchup Cum by MrAnonymousTheSecond January 27, 2014