MLK w/a twist?

Some poor flack got saddled with an impossible task: pitching cocktails pegged to Elvis’s favorite foods (way novel way to dance on the grave on the anniversary). Unfortunately, anyone with half a palate knows that if you mix flavored vodka plus a couple of kinds of super-sweet booze with a peanut butter-and-banana sandwich you’ll be heading straight for the toilet, and not to strain at stool. You’ll be talking to Ralph.