Something about coleslaw, always included as a side dish and almost always left behind.
Hey! A little help here! Add your own funny food.
Bad food that lazy parents send their kids to school with.
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.