A Red Hot Chili Peppers b-side off the Californication CD, relating to depression, love, being under the influence, but genereally... being quixotic.
Some people spell "quixotic elixer", and others spell "quixoticelixir", and last but not least "quixotic elixir"...all wrong.
It changes from mellow to upbeat and couldn't be more amazing.

Literally everyone, ever. Including the writer of this definition.