Definitions by Jeffrey Jones

hylaria 

Prolonged irrationality and agitation, also frenzied giddiness

1. "Ever since Hephzibah came home early from college, there has been complete hylaria in the house."
2. "After learning about the attempted kidnapping of her husband's pit bull, Sheila shrieked in a state of complete hylaria."

hylaria by Jeffrey Jones August 3, 2007