Basically ketchup and mayonnaise mixed together, this is what everybody eats on their hamburgers, hotdogs, as well as on many other kinds of sandwiches as of the year 2006 to present day. This "Sauce" seems to have outcompeted the Ketchup and Mustard mixture since at least the year 2005. Pretty much this is the popular trend for all sandwiches and other dishes.
In The 1970's through the early 2000's, "Ketchutard" was the mixture of choice for all sandwiches and many other dishes, now Beginning from 2005 to 2008, Mayochup is the preference for all the above said foods.
by Phaenixdrools September 01, 2008
The Urban Dictionary Mug
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