Similar to Niggerpaste, Liquenigger is a type of filler (made of liquefied black people) most commonly found in fast-food. Liquenigger, however, has a popular use in fake cheeses, as opposed to Niggerpaste being used often with meats.
"Does anyone else think there's too much liquenigger in this chili?"
"Dude, if there's any liquenigger at all, there's too much. Disgusting."