The fear that a person wearing a white shirt gets when eating a hamburger, hot dog, chicken, etc., that has ketchup.
"It's Jim's lunch break, and I think he has ketchuphobia. He has barely touched his Quarter Pounder, probably because he has that presentation at 3."
by geniusonwheels February 18, 2009
1) Having a fear of ketchup; hating ketchup
2) Not being able to even look at ketchup without puking due to definition one
2) Not being able to even look at ketchup without puking due to definition one
by KimKeatspineapple May 5, 2015