Fruit-o-long was an Earth candy eaten in the 21st century. It came in several flavors and was a sugary ribbon of fruit-flavored candy.
The Simpsons were wearing clothing that were edible to Romulans. Bart Simpson's shorts were likened to blueberry-flavored Fruit-o-long by Vox'ula. (RIS Bouteina: "What about some D'oh!")