Something about coleslaw, always included as a side dish and almost always left behind.
Bad food that lazy parents send their kids to school with.
Hey! A little help here! Add your own funny food.
Gum that bursts with flavored gel when you bite into it. The gum seemed innocent enough when I chewed it as a kid, but I've noticed it's since been sexed up to "The Gum That Goes Squirt". See also 80's, Candy, Innuendo.