In my book, there’s no more potent elixir than NyQuil. Like a stiff shot of saloon whiskey, it goes down hard but does what it says it will do – knock you out. I don’t think it’s a coincidence that the handy plastic dosage cup is about the same size as a shot glass either. And as far as flavor goes I equate this horrible-tasting stuff to Jägermeister. You could drop of shot of this into some Red Bull and make a NyQuilar Bomb. One shot and the party would be over.