Intensely elevated mood, beyond realistic levels of happiness. Can be caused by drugs, orgasm, religious fervor, or various forms of psychopathology.
Example: A moderately-talented executive joyfully explains his plan to take control of his company and lead it to industry dominance.
Grinnell, R. (2008). Euphoria. Psych Central. Retrieved on May 6, 2015, from http://psychcentral.com/encyclopedia/2008/euphoria/