3. Definitions 1 and 2 are largely accurate, but require a critical revision: as mentioned in definition #1, this is a beverage particularly popular on Midwestern U.S. college campuses. What gives it that special oomph -- what puts the wap in wapatuli -- is the introduction of 190 proof (95%) Everclear grain alcohol into the mix.
It also helps to know someone with access to an industrial-sized dishwasher, such as can be found in many campus cafateria kitchens, that can accomodate the garbage can/punch bowl. The foregoing information was had by experience, University of Wisconsin-Madison, circa 1973.
A mixture of a hard liquor, usually Vodka, and a mix of a fruit drink such as Kool-Aid or Hawaiian Punch. Usually the drink has a high concentration of alcohol.