Burple is a discontinued drink mix that was packaged in an expandable accordion-like plastic container. There were two sizes of Burple available, a lunchbox-size and a full-size container. To prepare the drink, the container was stretched to expand it to its full size and water was added to the concentrated liquid in the bottle. The drink was often compared to Kool-Aid

Kool-Aid

Kool-Aid is a brand of flavored drink mix owned by the Kraft Foods Company.-History:Kool-Aid was invented by Edwin Perkins in Hastings, Nebraska, United States. All of his experiments took place in his mother's kitchen. Its predecessor was a liquid concentrate called Fruit Smack...

 and came in the flavors grape, strawberry, cherry, peach, and orange. The label included instructions for poking a hole in the cap to convert the container into an ad hoc

Ad hoc

Ad hoc is a Latin phrase meaning "for this". It generally signifies a solution designed for a specific problem or task, non-generalizable, and not intended to be able to be adapted to other purposes. Compare A priori....

squirt gun after finishing the drink.